./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array1_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array1_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9fbee177c3231db1a1e3277e649158ac81edd180968ad454e1d0751d0f1d4e9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:47:39,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:47:39,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:47:39,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:47:39,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:47:39,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:47:39,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:47:39,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:47:39,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:47:39,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:47:39,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:47:39,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:47:39,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:47:39,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:47:39,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:47:39,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:47:39,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:47:39,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:47:39,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:47:39,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:47:39,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:47:39,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:47:39,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:47:39,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:47:39,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:47:39,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:47:39,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:47:39,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:47:39,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:47:39,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:47:39,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:47:39,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:47:39,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:47:39,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:47:39,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:47:39,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:47:39,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:47:39,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:47:39,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:47:39,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:47:39,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:47:39,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:47:39,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:47:39,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:47:39,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:47:39,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:47:39,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:47:39,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:47:39,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:47:39,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:47:39,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:47:39,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:47:39,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:47:39,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:47:39,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:47:39,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:47:39,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:47:39,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:47:39,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:47:39,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:47:39,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:47:39,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:47:39,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:47:39,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:47:39,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:47:39,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:47:39,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:47:39,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:47:39,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:47:39,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:47:39,712 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_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9fbee177c3231db1a1e3277e649158ac81edd180968ad454e1d0751d0f1d4e9 [2021-11-13 22:47:40,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:47:40,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:47:40,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:47:40,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:47:40,047 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:47:40,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array1_pattern.c [2021-11-13 22:47:40,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/data/323966a04/7486877996744ff7a3186464777a1478/FLAG57bbe8cb8 [2021-11-13 22:47:40,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:47:40,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/sv-benchmarks/c/array-patterns/array1_pattern.c [2021-11-13 22:47:40,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/data/323966a04/7486877996744ff7a3186464777a1478/FLAG57bbe8cb8 [2021-11-13 22:47:41,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/data/323966a04/7486877996744ff7a3186464777a1478 [2021-11-13 22:47:41,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:47:41,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:47:41,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:47:41,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:47:41,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:47:41,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f649ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41, skipping insertion in model container [2021-11-13 22:47:41,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:47:41,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:47:41,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/sv-benchmarks/c/array-patterns/array1_pattern.c[1307,1320] [2021-11-13 22:47:41,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:47:41,274 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:47:41,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/sv-benchmarks/c/array-patterns/array1_pattern.c[1307,1320] [2021-11-13 22:47:41,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:47:41,310 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:47:41,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41 WrapperNode [2021-11-13 22:47:41,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:47:41,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:47:41,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:47:41,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:47:41,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:47:41,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:47:41,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:47:41,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:47:41,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:47:41,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:47:41,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:47:41,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:47:41,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:47:41,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:47:41,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:47:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dea6acf-1b19-46d7-afc2-2e3533f3c544/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:47:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 22:47:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 22:47:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:47:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:47:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:47:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:47:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:47:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:47:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:47:41,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:47:41,824 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 22:47:41,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:41 BoogieIcfgContainer [2021-11-13 22:47:41,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:47:41,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:47:41,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:47:41,845 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:47:41,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:41" (1/1) ... [2021-11-13 22:47:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:47:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 22:47:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 22:47:41,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:47:41,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:41,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 22:47:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 22:47:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:47:42,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:42,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:42,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 22:47:42,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:47:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2021-11-13 22:47:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-13 22:47:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:47:42,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:42,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:42,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 22:47:42,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2021-11-13 22:47:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-13 22:47:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:42,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:42,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:43,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:43,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:43,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:43,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:44,058 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:44,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:44,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:44,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:44,576 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:44,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 33 states and 60 transitions. [2021-11-13 22:47:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2021-11-13 22:47:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:46,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:46,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:46,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:47:46,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:46,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:46,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:47:46,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:47:47,118 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:47,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:47:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 63 transitions. [2021-11-13 22:47:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2021-11-13 22:47:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:48,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:48,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:48,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:47:48,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:48,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:48,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:47:48,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:47:49,013 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:47:49,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:47:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:50,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:50,297 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:50,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:50,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:50,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:47:50,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:50,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:50,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:51,013 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:51,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:51,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:51,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:51,327 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:51,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:51,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:51,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:51,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:51,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:51,834 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 [2021-11-13 22:47:51,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:52,297 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:52,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:52,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:52,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:52,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:52,594 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:52,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:52,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:52,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:52,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:52,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:52,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:52,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:53,112 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:53,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:53,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:53,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:53,426 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:53,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:53,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:53,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:53,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:53,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:53,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:53,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:53,974 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:53,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:53,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:54,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:54,266 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:54,267 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 56 treesize of output 33 [2021-11-13 22:47:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:54,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:54,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:54,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:54,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:54,405 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 [2021-11-13 22:47:54,427 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 42 treesize of output 25 [2021-11-13 22:47:54,723 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:54,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:54,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:54,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:54,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:54,979 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:54,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:55,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:55,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:55,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:47:55,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:55,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:55,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:55,560 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:55,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:55,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:55,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:55,843 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:55,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:55,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:55,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:55,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:47:55,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:55,990 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 [2021-11-13 22:47:56,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:47:56,375 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:47:56,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:47:56,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:47:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:47:56,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:47:56,669 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:47:56,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:47:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 78 transitions. [2021-11-13 22:47:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-13 22:47:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:47:56,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:56,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:56,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:47:56,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:47:56,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:47:56,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:00,135 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:00,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:00,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:00,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:00,716 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:48:00,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:48:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:11,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:11,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:48:12,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:12,049 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 [2021-11-13 22:48:12,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:14,502 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:14,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:14,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:14,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:14,786 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:48:14,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:48:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:14,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:14,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:14,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:14,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:14,990 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 [2021-11-13 22:48:15,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:15,293 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:15,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:15,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:15,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:15,567 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:15,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:15,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:15,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:15,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:15,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:15,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:15,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:16,022 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:16,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:16,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:16,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:16,265 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:16,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:16,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:16,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:16,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:16,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:16,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:16,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:16,730 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:16,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:16,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:16,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:16,969 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:16,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:17,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:17,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:17,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:17,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:17,092 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 [2021-11-13 22:48:17,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:17,410 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:17,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:17,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:17,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:17,686 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:17,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:17,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:17,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:17,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:17,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:17,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:17,804 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 27 treesize of output 15 [2021-11-13 22:48:18,048 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:18,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:18,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:18,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:18,347 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:18,347 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 56 treesize of output 33 [2021-11-13 22:48:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:18,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:18,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:18,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:48:18,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:18,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:18,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:48:18,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:48:18,940 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:18,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:19,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:19,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:19,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:19,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:19,221 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 [2021-11-13 22:48:19,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:19,480 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:19,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:19,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:19,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:19,762 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:19,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:19,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:19,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:19,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:19,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:19,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:19,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:19,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:20,130 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:20,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:20,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:20,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:20,471 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:20,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 87 transitions. [2021-11-13 22:48:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:20,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:20,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:20,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:20,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:20,561 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 [2021-11-13 22:48:20,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:48:20,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:48:21,005 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:21,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:21,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:21,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:21,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:48:21,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:21,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:21,720 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 72 treesize of output 55 [2021-11-13 22:48:21,785 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 73 treesize of output 56 [2021-11-13 22:48:21,997 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:21,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:22,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:22,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:22,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:48:22,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:22,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:22,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:48:22,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:48:22,491 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:22,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:22,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:22,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:22,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:22,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:22,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:22,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:28,502 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:28,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:28,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:28,763 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:48:28,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:48:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:42,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:42,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:42,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:42,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:42,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:43,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:43,330 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:43,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:43,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:43,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:43,595 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:43,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:43,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:43,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:43,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:43,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:43,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:43,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:43,952 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:43,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:43,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:43,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:44,204 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:44,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:44,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:44,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:44,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:48:44,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:44,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:44,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:46,526 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:46,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:46,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:46,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:46,892 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:48:46,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:48:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:46,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:46,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:46,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:46,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:46,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:46,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:47,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:47,279 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:47,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:47,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:47,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:47,629 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:47,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:47,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:47,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:47,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:48:47,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:47,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:47,729 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 27 treesize of output 15 [2021-11-13 22:48:47,954 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:47,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:47,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:48,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:48,226 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:48,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:48,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:48,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:48,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:48,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:48,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:48,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:48,680 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:48,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:48,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:48,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:49,044 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:49,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:49,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:49,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:49,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:48:49,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:49,152 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 [2021-11-13 22:48:49,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:48:49,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:48:49,449 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:49,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:49,515 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:49,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:49,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:49,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:49,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:49,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:49,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:49,975 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:49,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:49,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:50,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:50,359 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:50,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 41 states and 87 transitions. [2021-11-13 22:48:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:50,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:50,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:50,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:48:50,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:50,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:50,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:48:50,613 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 73 treesize of output 56 [2021-11-13 22:48:50,801 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:50,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 87 transitions. [2021-11-13 22:48:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:51,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:51,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:51,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:51,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:51,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:51,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:51,570 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:51,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:51,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:51,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:51,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:51,833 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:51,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 87 transitions. [2021-11-13 22:48:51,854 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:51,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:51,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:48:51,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:51,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:51,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:52,300 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:52,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:52,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:52,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:52,633 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:48:52,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:48:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:52,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 87 transitions. [2021-11-13 22:48:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2021-11-13 22:48:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:52,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:52,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:52,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:48:52,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:52,702 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 [2021-11-13 22:48:52,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:48:52,824 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 73 treesize of output 56 [2021-11-13 22:48:53,009 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:48:53,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:48:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 42 states and 91 transitions. [2021-11-13 22:48:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 91 transitions. [2021-11-13 22:48:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:53,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:53,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:53,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:48:53,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:53,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:48:53,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:48:58,609 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:48:58,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:48:58,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:48:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:48:58,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:48:58,891 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:48:58,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:48:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 45 states and 111 transitions. [2021-11-13 22:48:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 111 transitions. [2021-11-13 22:48:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:48:59,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:59,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:59,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:48:59,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:59,931 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 [2021-11-13 22:49:00,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 48 [2021-11-13 22:49:00,035 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 66 treesize of output 49 [2021-11-13 22:49:00,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:00,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:49:00,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-11-13 22:49:00,654 INFO L354 Elim1Store]: treesize reduction 103, result has 6.4 percent of original size [2021-11-13 22:49:00,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 30 [2021-11-13 22:49:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:05,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:05,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:05,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:05,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:05,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:05,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:10,273 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:10,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:10,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:10,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:10,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:10,606 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:49:10,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:49:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:10,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:10,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:10,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:10,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:10,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:10,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:10,966 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:10,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:10,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:11,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:11,345 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:11,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:11,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:11,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:11,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:11,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:11,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:11,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:11,674 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:11,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:11,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:11,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:11,984 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:11,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:12,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:12,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:12,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:12,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:12,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:12,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:12,422 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:12,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:12,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:12,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:12,741 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:12,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:12,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:12,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:12,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:12,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:12,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:12,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:13,198 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:13,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:13,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:13,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:13,546 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:13,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:13,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:13,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:13,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:13,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:13,624 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 [2021-11-13 22:49:13,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:14,931 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:14,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:14,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:14,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:15,736 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:15,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:19,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:19,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:19,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:49:19,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:19,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:19,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:21,274 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:21,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:21,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:21,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:21,624 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:21,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:23,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:23,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:23,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:23,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:23,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:23,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:23,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:24,236 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:24,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:24,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:24,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:24,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:24,599 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:24,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:24,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:24,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:24,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:24,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:24,673 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 [2021-11-13 22:49:24,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:25,000 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:25,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:25,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:25,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:25,361 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:25,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:25,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:25,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:25,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:49:25,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:25,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:25,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:25,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:25,847 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:25,847 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:26,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:26,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:26,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:26,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:26,061 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 [2021-11-13 22:49:26,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:26,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:26,410 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:26,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:26,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:26,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:26,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:49:26,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:26,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:26,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:28,780 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:28,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:28,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:28,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:29,131 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:49:29,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:49:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:29,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:29,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:29,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:29,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:29,216 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 [2021-11-13 22:49:29,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:29,558 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:29,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:29,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:29,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:29,889 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:29,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:29,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:29,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:29,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:29,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:29,965 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 [2021-11-13 22:49:29,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:30,306 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:30,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:30,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:30,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:30,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:30,637 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:30,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:30,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:30,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:30,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:30,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:49:30,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:30,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:30,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:32,920 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:32,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:32,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:32,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:33,317 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:49:33,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:49:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:33,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:33,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:33,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:49:33,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:33,411 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 [2021-11-13 22:49:33,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:33,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:33,940 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:33,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:34,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:34,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:34,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:34,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:34,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:34,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:34,728 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:34,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:34,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:34,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:35,097 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:35,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:35,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:35,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:35,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:35,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:35,191 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 [2021-11-13 22:49:35,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:35,437 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:35,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:35,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:35,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:35,803 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:35,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:35,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:35,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:35,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:35,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:35,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:35,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:36,802 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:36,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:36,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:36,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:37,158 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:37,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:38,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:38,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:38,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:49:38,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:38,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:38,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:38,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:38,707 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:38,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:38,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:38,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:38,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:38,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:38,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:38,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:39,121 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:39,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:39,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:39,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:39,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:39,544 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:39,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:39,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:39,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:39,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:39,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:39,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:39,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:39,891 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:39,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:39,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:39,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:39,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:40,315 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:40,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:40,340 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:40,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:40,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:40,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:40,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:40,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:40,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:40,717 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:40,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:40,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:40,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:41,098 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:41,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:41,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:41,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:41,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:49:41,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:41,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:41,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:41,502 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:41,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:41,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:41,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:41,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:41,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:41,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:41,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:41,935 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:41,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:41,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:42,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:42,292 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:42,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:42,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:42,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:42,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:42,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:49:42,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:42,376 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 [2021-11-13 22:49:42,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:49:44,611 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:44,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:44,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:44,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:44,983 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:49:44,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:49:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:45,011 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:45,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:45,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:45,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:45,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:45,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:45,405 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:45,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:45,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:45,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:45,798 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:45,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:45,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:45,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:45,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:45,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:45,879 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 [2021-11-13 22:49:45,897 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 27 treesize of output 15 [2021-11-13 22:49:46,203 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:46,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:46,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:46,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:46,573 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:46,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:46,596 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:46,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:46,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:46,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:46,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:46,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:46,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:46,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:47,015 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:47,015 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:47,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:47,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:47,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:47,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:47,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:47,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:47,433 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:47,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:47,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:47,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:47,824 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:47,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:47,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:47,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:47,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:47,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:47,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:47,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:48,210 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:48,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:48,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:48,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:48,593 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:48,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:48,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:48,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:48,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:49:48,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:48,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:48,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:48,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:49,070 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:49,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:49,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:49,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:49,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:49,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:49,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:49,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:49,530 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:49,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:49,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:49,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:49,909 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:49,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:49,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:49,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:49,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:49,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:49,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:50,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:50,387 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:50,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:50,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:50,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:50,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:50,754 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:50,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:50,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:50,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:50,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:50,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:49:50,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:50,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:50,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:53,198 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:53,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:53,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:53,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:53,576 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:49:53,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:49:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:53,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:53,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:53,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:49:53,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:53,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:53,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:53,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:54,103 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:54,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:54,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:54,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:54,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:54,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:54,227 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 [2021-11-13 22:49:54,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:54,493 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:54,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:54,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:54,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:54,887 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:54,887 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 56 treesize of output 33 [2021-11-13 22:49:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:54,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:54,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:54,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:54,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:54,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:54,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:55,313 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:55,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:55,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:55,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:55,682 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:55,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:55,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:55,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:55,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:49:55,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:55,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:55,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:56,151 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:56,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:56,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:56,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:56,605 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:56,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:56,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:56,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:56,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:56,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:56,684 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 [2021-11-13 22:49:56,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:49:57,010 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:49:57,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:49:57,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:49:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:49:57,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:49:57,417 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:49:57,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:49:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:57,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:57,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:57,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:49:57,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:57,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:57,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:49:57,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:49:57,813 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:49:57,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:49:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:49:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:49:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:49:57,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:57,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:57,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:49:57,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:49:57,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:49:57,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:00,225 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:00,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:00,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:00,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:00,644 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:50:00,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:50:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:50:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:50:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:00,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:00,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:00,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:00,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:00,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:00,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:00,979 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:00,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:01,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:01,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:01,391 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:01,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:50:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:50:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:01,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:01,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:01,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:01,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:01,469 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 [2021-11-13 22:50:01,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:01,824 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:01,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:01,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:01,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:02,345 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:02,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 119 transitions. [2021-11-13 22:50:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 119 transitions. [2021-11-13 22:50:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:02,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:02,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:02,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:02,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:02,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:02,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:50:04,192 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:04,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:04,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:04,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:04,536 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:04,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:07,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:07,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:07,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:50:07,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:07,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:07,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:07,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:08,027 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:08,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:08,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:08,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:08,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:08,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:08,135 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 [2021-11-13 22:50:08,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:08,478 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:08,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:08,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:08,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:08,944 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:08,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:08,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:08,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:09,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:09,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:09,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:09,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:09,374 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:09,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:09,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:09,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:09,826 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:09,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:09,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:09,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:09,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:09,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:09,907 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 [2021-11-13 22:50:09,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:10,282 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:10,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:10,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:10,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:10,697 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:10,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:10,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:10,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:10,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:50:10,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:10,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:10,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:13,077 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:13,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:13,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:13,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:13,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:13,546 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:50:13,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:50:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:13,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:13,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:13,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:13,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:13,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:13,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:14,410 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:14,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:14,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:14,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:14,759 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:14,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:15,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:15,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:15,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:15,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:15,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:15,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:15,546 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:15,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:15,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:15,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:16,026 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:16,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:16,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:16,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:16,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:16,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:16,098 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 [2021-11-13 22:50:16,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:16,352 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:16,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:16,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:16,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:16,810 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:16,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:16,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:16,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:16,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:50:16,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:16,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:16,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:16,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:17,194 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:17,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:17,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:17,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:17,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:17,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:17,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:17,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:17,673 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:17,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:17,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:17,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:17,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:18,173 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:18,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:18,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:18,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:18,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:18,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:18,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:18,262 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 [2021-11-13 22:50:18,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:18,539 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:18,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:18,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:18,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:19,054 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:19,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:19,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:19,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:19,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:19,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:19,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:19,146 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 27 treesize of output 15 [2021-11-13 22:50:19,390 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:19,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:19,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:19,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:19,862 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:19,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:19,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:19,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:19,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:50:19,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:19,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:20,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:20,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:20,273 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:20,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:20,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:20,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:20,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:20,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:20,398 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 [2021-11-13 22:50:20,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:20,779 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:20,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:20,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:20,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:21,268 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:21,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:21,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:21,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:21,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:50:21,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:21,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:21,379 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 42 treesize of output 25 [2021-11-13 22:50:23,724 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:23,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:23,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:23,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:23,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:24,185 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:50:24,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:50:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:24,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:24,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:24,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:24,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:24,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:24,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:24,684 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:24,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:24,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:24,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:25,156 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:25,157 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 56 treesize of output 33 [2021-11-13 22:50:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:25,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:25,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:25,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:25,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:25,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:25,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:30,018 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:30,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:30,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:30,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:30,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:30,518 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:50:30,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:50:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:30,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:30,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:30,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:30,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:30,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:30,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:30,609 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 27 treesize of output 15 [2021-11-13 22:50:30,975 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:30,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:31,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:31,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:31,548 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:31,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:31,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:31,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:31,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:31,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:31,621 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 [2021-11-13 22:50:31,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:32,011 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:32,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:32,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:32,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:32,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:32,614 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:32,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:32,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:32,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:32,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:32,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:32,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:32,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:33,286 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:33,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:33,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:33,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:33,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:33,911 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:33,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:33,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:33,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:33,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:33,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:33,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:34,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:34,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:34,488 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:34,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:34,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:34,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:35,076 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:35,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:35,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:35,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:35,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:35,188 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 [2021-11-13 22:50:35,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:35,536 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:35,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:35,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:35,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:35,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:36,182 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:36,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:36,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:36,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:36,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:36,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:36,279 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 [2021-11-13 22:50:36,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:36,767 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:36,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:36,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:36,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:37,401 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:37,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:37,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:37,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:37,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:37,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:37,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:37,518 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 27 treesize of output 15 [2021-11-13 22:50:37,827 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:37,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:37,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:37,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:38,459 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:38,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:38,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:38,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:38,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:50:38,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:38,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:38,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:50:41,106 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:41,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:41,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:41,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:41,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:41,710 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:50:41,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:50:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:41,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:41,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:41,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:41,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:50:41,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:41,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:41,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:42,180 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:42,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:42,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:42,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:42,768 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:42,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:42,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:42,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:50:42,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:42,861 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 [2021-11-13 22:50:42,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:50:45,401 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:45,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:45,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:45,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:46,006 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:50:46,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:50:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:46,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:46,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:46,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:50:46,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:46,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:46,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:46,561 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:46,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:46,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:46,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:47,116 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:47,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:47,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:47,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:47,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:50:47,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:47,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:47,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:47,650 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:47,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:47,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:47,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:48,258 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:48,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:48,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:48,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:48,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:50:48,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:48,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:48,429 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 72 treesize of output 55 [2021-11-13 22:50:48,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:48,667 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:48,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:48,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:48,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:48,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:50:48,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:48,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:48,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:49,159 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:50:49,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:50:49,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:49,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:49,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:50:49,779 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:49,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:49,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:49,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:49,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:50:49,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:49,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:49,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:49,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:50,200 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:50,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:50,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:50,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:50,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:50:50,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:50,332 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 [2021-11-13 22:50:50,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:50,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:50,673 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:50,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:50,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:50,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:50,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:50:50,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:50,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:50,897 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 72 treesize of output 55 [2021-11-13 22:50:50,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:51,118 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:51,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:51,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:51,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:51,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:50:51,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:51,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:51,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:51,367 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 73 treesize of output 56 [2021-11-13 22:50:51,557 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:51,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:51,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:51,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:51,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:50:51,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:51,682 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 [2021-11-13 22:50:51,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:50:51,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:50:52,034 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:50:52,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:50:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 49 states and 127 transitions. [2021-11-13 22:50:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 127 transitions. [2021-11-13 22:50:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:50:52,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:52,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:52,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:50:52,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:50:52,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:50:52,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:50:54,513 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:50:54,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:50:54,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:50:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:50:54,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:50:55,785 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:50:55,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:50:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 50 states and 134 transitions. [2021-11-13 22:51:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-13 22:51:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:05,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:05,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:05,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:05,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:05,488 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 [2021-11-13 22:51:05,773 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 73 treesize of output 56 [2021-11-13 22:51:05,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:06,088 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:06,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 50 states and 134 transitions. [2021-11-13 22:51:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-13 22:51:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:06,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:06,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:06,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:51:06,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:06,247 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 [2021-11-13 22:51:06,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:06,412 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 73 treesize of output 56 [2021-11-13 22:51:06,685 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:06,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 50 states and 134 transitions. [2021-11-13 22:51:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-13 22:51:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:06,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:06,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:06,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:51:06,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:06,853 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 [2021-11-13 22:51:07,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-13 22:51:07,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:07,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:07,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:51:07,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:51:07,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:07,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:51:07,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:51:08,478 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:08,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 51 states and 141 transitions. [2021-11-13 22:51:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 141 transitions. [2021-11-13 22:51:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:10,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:10,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:10,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:51:10,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:10,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:10,380 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 73 treesize of output 56 [2021-11-13 22:51:10,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:10,621 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:10,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 51 states and 141 transitions. [2021-11-13 22:51:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 141 transitions. [2021-11-13 22:51:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:10,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:10,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:10,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:10,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:10,723 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 [2021-11-13 22:51:10,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:10,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:11,062 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:11,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 51 states and 141 transitions. [2021-11-13 22:51:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 141 transitions. [2021-11-13 22:51:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:11,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:11,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:11,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:11,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:11,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:11,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:51:11,698 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:11,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:11,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:11,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:12,225 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:12,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 51 states and 141 transitions. [2021-11-13 22:51:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 141 transitions. [2021-11-13 22:51:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:12,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:12,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:12,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:12,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:12,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:12,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:14,786 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:51:14,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:51:14,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:14,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:51:15,844 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:15,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:19,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:19,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:19,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:51:19,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:19,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:19,664 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 27 treesize of output 15 [2021-11-13 22:51:21,901 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:21,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:21,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:22,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:22,501 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:51:22,501 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 54 treesize of output 33 [2021-11-13 22:51:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:22,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:22,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:22,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:22,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:22,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:22,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:22,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:22,938 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:22,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:22,995 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:22,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:22,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:23,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:51:23,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:23,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:23,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:23,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:23,395 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:23,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:23,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:23,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:23,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:23,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:23,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:23,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:23,706 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 73 treesize of output 56 [2021-11-13 22:51:23,898 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:23,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:23,965 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:23,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:23,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:24,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:24,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:24,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:24,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:24,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:24,487 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:24,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:24,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:24,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:24,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:51:24,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:24,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:24,607 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 27 treesize of output 15 [2021-11-13 22:51:26,777 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:26,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:26,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:26,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:27,299 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:27,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:29,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:29,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:29,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:29,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:29,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:30,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:31,668 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:51:31,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:51:31,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:31,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:51:32,439 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:32,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:36,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:36,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:36,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:51:36,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:36,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:36,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:36,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:36,612 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:36,613 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:36,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:36,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:36,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:36,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:36,716 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 [2021-11-13 22:51:37,031 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 73 treesize of output 56 [2021-11-13 22:51:37,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:37,276 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:37,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:37,486 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:37,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:37,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:37,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:37,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:37,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:37,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:37,981 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:37,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:38,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:38,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:38,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:38,612 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:38,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:38,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:38,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:38,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:51:38,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:38,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:38,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:38,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:39,082 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:39,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:39,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:39,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:39,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:39,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:39,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:39,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:39,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:39,545 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:39,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:39,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:39,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:39,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:51:39,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:39,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:39,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:44,594 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:44,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:44,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:44,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:45,210 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:51:45,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:51:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:45,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:45,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:45,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:45,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:45,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:45,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:45,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:45,621 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:45,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:45,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:45,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:45,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:51:45,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:45,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:45,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:45,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:46,104 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:46,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:46,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:46,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:46,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:46,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:46,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:46,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:46,648 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:46,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:46,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:46,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:47,284 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:47,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:47,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:51:47,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:47,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:47,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:47,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:47,692 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:47,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:47,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:47,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:47,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:47,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:48,151 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:51:48,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:51:48,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:48,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:51:48,961 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:48,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:48,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:48,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:49,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:49,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:49,038 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 [2021-11-13 22:51:49,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:49,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:49,386 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:49,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:49,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:49,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:49,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:49,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:49,529 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 [2021-11-13 22:51:49,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:49,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:49,881 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:49,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:49,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:49,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:49,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:51:49,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:49,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:50,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:51:50,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:51:50,414 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:50,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:50,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:50,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:50,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:51:50,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:50,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:50,609 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 73 treesize of output 56 [2021-11-13 22:51:50,624 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 72 treesize of output 55 [2021-11-13 22:51:50,846 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:51:50,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:51:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:50,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:50,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:50,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:51:50,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:50,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:50,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:53,442 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:51:53,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:51:53,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:53,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:51:54,078 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:51:54,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:51:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:54,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:54,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:54,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:54,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:54,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:54,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:54,725 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:51:54,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:51:54,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:54,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:54,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:51:55,568 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:55,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:55,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:55,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:55,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:51:55,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:55,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:55,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:51:56,055 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:51:56,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:51:56,096 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:51:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:51:56,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:51:56,921 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:51:56,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:51:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:51:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:51:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:56,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:56,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:57,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:51:57,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:51:57,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:51:57,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:03,009 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:03,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:03,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:03,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:04,314 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:52:04,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:52:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:05,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:05,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:05,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:52:05,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:05,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:06,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-13 22:52:06,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:06,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:06,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:52:06,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:52:06,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:06,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:52:06,574 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 56 treesize of output 36 [2021-11-13 22:52:07,089 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:07,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:07,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:07,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:07,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:52:07,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:07,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:08,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:08,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:08,315 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:08,316 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:08,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:08,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:08,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:52:08,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:08,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:08,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:10,822 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:52:10,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:52:10,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:10,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:52:11,600 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:52:11,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:52:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:11,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:11,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:11,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:52:11,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:11,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:11,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:11,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:12,092 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:12,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:12,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:12,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:12,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:52:12,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:12,173 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 [2021-11-13 22:52:12,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:12,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:12,560 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:12,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:12,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:12,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:12,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:52:12,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:12,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:12,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:12,806 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 73 treesize of output 56 [2021-11-13 22:52:13,038 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:13,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:13,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:13,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:13,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:52:13,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:13,115 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 [2021-11-13 22:52:13,234 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 73 treesize of output 56 [2021-11-13 22:52:13,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:13,513 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:13,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:13,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:13,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:13,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:52:13,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:13,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:13,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:16,051 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:52:16,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:52:16,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:16,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:16,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:52:16,803 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:52:16,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:52:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:16,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:16,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:16,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:16,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:16,878 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 [2021-11-13 22:52:16,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:19,112 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:19,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:19,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:19,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:19,985 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:52:19,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:52:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:22,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:22,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:22,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:52:22,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:22,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:22,484 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 72 treesize of output 55 [2021-11-13 22:52:22,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:22,725 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:22,725 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:22,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:22,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:22,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:52:22,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:22,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:22,847 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 27 treesize of output 15 [2021-11-13 22:52:25,007 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:25,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:25,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:25,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:25,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:25,981 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:52:25,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:52:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:28,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:28,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:28,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:28,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:52:28,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:28,430 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 [2021-11-13 22:52:28,581 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 73 treesize of output 56 [2021-11-13 22:52:28,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:28,956 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:28,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:29,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:29,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:29,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:29,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:29,139 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 [2021-11-13 22:52:29,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:33,988 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:34,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:34,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:35,291 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:52:35,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:52:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:35,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:35,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:35,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:52:35,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:35,386 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 [2021-11-13 22:52:35,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:35,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:35,860 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:35,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:35,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:35,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:35,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:35,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:52:35,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:35,997 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 [2021-11-13 22:52:36,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:36,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:36,486 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:36,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:36,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:36,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:36,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:36,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:36,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:36,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:36,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:37,610 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:37,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:37,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:37,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:37,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:39,098 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:52:39,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:52:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:39,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:39,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:39,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:39,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:39,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:39,232 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 27 treesize of output 15 [2021-11-13 22:52:44,141 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:44,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:44,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:44,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:45,462 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:52:45,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:52:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:45,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:45,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:45,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:52:45,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:45,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:45,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:45,964 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:45,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:46,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:46,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:47,027 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:52:47,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:52:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:47,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:47,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:47,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:52:47,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:47,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:47,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:52:52,167 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:52,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:52,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:52,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:52:53,697 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:52:53,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:52:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:53,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:53,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:53,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:52:53,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:53,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:53,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:52:53,968 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 72 treesize of output 55 [2021-11-13 22:52:54,314 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:54,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:54,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:54,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:54,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:52:54,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:54,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:54,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:52:54,609 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 73 treesize of output 56 [2021-11-13 22:52:54,856 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:52:54,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:52:54,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:52:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:52:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:52:54,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:54,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:54,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:52:54,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:52:54,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:52:54,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:52:58,865 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:52:58,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:52:58,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:52:59,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:52:59,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:00,368 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:00,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:00,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:00,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:01,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:01,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:01,030 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 [2021-11-13 22:53:01,246 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 72 treesize of output 55 [2021-11-13 22:53:01,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:01,656 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:01,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:01,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:01,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:01,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:01,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:01,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:02,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:02,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:02,558 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:02,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:02,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:02,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:02,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:02,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:02,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:03,266 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 73 treesize of output 56 [2021-11-13 22:53:03,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:03,572 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:03,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:03,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:03,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:03,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:53:03,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:03,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:04,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:07,713 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:07,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:07,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:07,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:09,194 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:09,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:09,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:09,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:09,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:09,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:09,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:10,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:10,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:10,353 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:10,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:10,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:10,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:10,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:10,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:10,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:10,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:10,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:10,979 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:10,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:11,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:11,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:11,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:11,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:11,159 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 [2021-11-13 22:53:11,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:11,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:11,597 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:11,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:11,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:11,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:11,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:53:11,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:11,775 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 [2021-11-13 22:53:11,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:11,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:12,224 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:12,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:12,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:12,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:12,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:12,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:12,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:12,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:17,237 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:17,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:17,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:17,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:18,714 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:18,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:18,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:18,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:18,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:53:18,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:18,802 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 [2021-11-13 22:53:18,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:53:21,322 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:53:21,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:53:21,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:21,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:21,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:53:22,178 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:22,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:22,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:22,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:22,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:22,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:22,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:22,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:22,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:22,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:22,746 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:22,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:22,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:22,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:22,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:53:22,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:22,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:23,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:23,165 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 73 treesize of output 56 [2021-11-13 22:53:23,443 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:23,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:23,500 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:23,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:23,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:23,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:53:23,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:23,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:23,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:53:26,684 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:26,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:26,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:26,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:28,090 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:28,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:28,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:28,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:28,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:53:28,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:28,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:28,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:33,125 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:33,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:33,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:33,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:34,576 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:34,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:34,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:34,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:34,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:34,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:53:34,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:34,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:34,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:34,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:35,139 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:35,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:35,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:35,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:35,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:53:35,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:35,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:35,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:35,881 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:53:35,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:53:35,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:36,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:53:36,741 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:53:36,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:53:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:36,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:36,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:36,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:36,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:36,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:36,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:37,297 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:37,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:37,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:37,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:38,382 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:53:38,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:53:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:38,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:38,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:38,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:53:38,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:38,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:38,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:38,658 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 73 treesize of output 56 [2021-11-13 22:53:38,931 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:38,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:39,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:39,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:39,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:39,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:39,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:39,158 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 27 treesize of output 15 [2021-11-13 22:53:39,552 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:39,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:39,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:39,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:40,715 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:53:40,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:53:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:40,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:40,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:40,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:40,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:40,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:40,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:40,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:41,277 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:41,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:41,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:41,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:41,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:53:41,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:41,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:41,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:43,888 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:53:43,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:53:43,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:44,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:53:44,789 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:53:44,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:53:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:44,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:44,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:44,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:44,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:44,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:44,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:45,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:45,302 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:45,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:45,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:45,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:45,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:53:45,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:45,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:45,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:47,072 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:53:47,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:53:47,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:47,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:47,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:53:47,952 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:53:47,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:53:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:50,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:50,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:50,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:50,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:53:50,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:50,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:50,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:50,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:50,710 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:50,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:50,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:50,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:50,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:50,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:50,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:50,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:51,333 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:51,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:51,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:51,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:52,447 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:53:52,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:53:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:52,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:52,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:52,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:52,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:53:52,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:52,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:52,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:53:52,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:53:53,045 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:53:53,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:53:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:53,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:53,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:53,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:53:53,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:53,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:53,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:53:54,975 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:53:54,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:53:54,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:53:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:53:55,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:53:56,640 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:53:56,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:53:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:53:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:53:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:53:59,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:59,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:59,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:53:59,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:53:59,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:53:59,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:09,319 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:09,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:09,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:09,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:09,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:11,048 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:11,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:11,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:11,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:11,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:11,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:11,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:11,269 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 73 treesize of output 56 [2021-11-13 22:54:11,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:54:11,585 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:11,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:54:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:11,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:11,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:11,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:54:11,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:11,738 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 [2021-11-13 22:54:11,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:12,774 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:12,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:12,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:12,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:13,906 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:13,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:13,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:13,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:14,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:14,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:14,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:14,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:14,486 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:14,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:14,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:14,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:15,635 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:15,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:15,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:15,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:15,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:54:15,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:15,752 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 [2021-11-13 22:54:16,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:16,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-13 22:54:16,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:54:16,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:54:16,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:16,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:54:16,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:54:16,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:17,387 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:17,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:54:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:17,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:17,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:18,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:18,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:18,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:18,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:18,518 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:18,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:18,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:18,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:19,698 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:19,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:19,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:19,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:19,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:54:19,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:19,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:19,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:22,218 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:54:22,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:54:22,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:22,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:54:23,277 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:54:23,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:54:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:23,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:23,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:23,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:23,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:23,378 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 [2021-11-13 22:54:23,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:28,302 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:28,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:28,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:28,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:28,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:29,823 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:54:29,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:54:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:29,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:29,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:29,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:29,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:29,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:29,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:30,366 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:30,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:30,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:30,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:30,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:31,558 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:31,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:31,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:31,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:31,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:31,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:31,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:31,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:31,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:54:31,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:54:32,118 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:32,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:54:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:32,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:32,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:32,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:32,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:32,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:32,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:37,295 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:37,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:37,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:37,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:38,933 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:54:38,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:54:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:38,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:38,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:39,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:39,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:39,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:39,035 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 27 treesize of output 15 [2021-11-13 22:54:39,458 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:39,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:39,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:39,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:40,672 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:40,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:40,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:40,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:40,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:40,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:40,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:40,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:41,213 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:41,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:41,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:41,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:41,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:42,441 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:42,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:42,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:42,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:42,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:54:42,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:42,525 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 [2021-11-13 22:54:42,664 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 73 treesize of output 56 [2021-11-13 22:54:42,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:54:42,993 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:42,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:54:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:43,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:43,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:54:43,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:43,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:43,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:54:43,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:54:43,525 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:43,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:54:43,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:43,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:43,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:43,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:43,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:43,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:43,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:44,731 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:44,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:44,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:44,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:45,960 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:45,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:45,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:45,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:45,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:46,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:46,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:46,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:46,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:50,950 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:50,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:51,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:51,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:52,630 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:54:52,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:54:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:52,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:52,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:52,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:54:52,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:52,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:52,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:54:55,164 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:54:55,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:54:55,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:55,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:54:56,105 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:54:56,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:54:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:56,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:56,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:56,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:56,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:56,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:56,221 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 27 treesize of output 15 [2021-11-13 22:54:57,327 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:54:57,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:54:57,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:54:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:54:57,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:54:58,591 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:54:58,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:54:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:58,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:58,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:58,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:54:58,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:58,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:59,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:54:59,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:54:59,466 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:54:59,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:54:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:54:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:54:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:54:59,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:59,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:59,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:54:59,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:54:59,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:54:59,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:04,555 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:55:04,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:55:04,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:04,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:55:06,295 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:06,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:06,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:06,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:06,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:55:06,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:06,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:06,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:06,609 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 73 treesize of output 56 [2021-11-13 22:55:06,886 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:06,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:06,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:06,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:06,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:07,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:55:07,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:07,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:07,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:07,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:55:07,528 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:07,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:07,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:07,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:07,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:07,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:07,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:07,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:12,597 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:55:12,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:55:12,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:12,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:55:14,340 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:14,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:14,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:14,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:14,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:55:14,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:14,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:14,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:16,958 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:55:16,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:55:16,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:17,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:55:17,867 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:17,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:17,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:17,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:17,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:55:17,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:17,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:18,085 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 73 treesize of output 56 [2021-11-13 22:55:18,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:18,419 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:18,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:18,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:18,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:18,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:55:18,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:18,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:18,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:55:18,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:19,005 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:19,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:19,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:19,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:19,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:55:19,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:19,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:19,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:19,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:55:19,602 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:19,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:19,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:19,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:19,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:19,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:19,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:19,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:24,931 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:55:24,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:55:24,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:25,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:55:26,603 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:26,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:26,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:26,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:26,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:55:26,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:26,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:26,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:55:29,316 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:55:29,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:55:29,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:29,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:55:30,267 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:30,267 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 54 treesize of output 33 [2021-11-13 22:55:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:30,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:30,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:30,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:55:30,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:30,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:30,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:55:32,884 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:55:32,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:55:32,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:33,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:55:33,937 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:33,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:33,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:33,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:34,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:55:34,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:34,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:34,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:34,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:55:34,503 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:34,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:34,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:34,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:34,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:55:34,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:34,604 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 [2021-11-13 22:55:34,729 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 73 treesize of output 56 [2021-11-13 22:55:34,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:35,071 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:35,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:35,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:35,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:35,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:55:35,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:35,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:35,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:55:37,732 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:55:37,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:55:37,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:37,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:37,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:55:38,765 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:38,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:38,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:38,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:38,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:38,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:38,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:38,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:38,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:38,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:40,114 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:55:40,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:55:40,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:40,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:55:42,140 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:55:42,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:55:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:42,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:42,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:42,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:55:42,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:42,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:42,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-13 22:55:42,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:42,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:55:42,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:55:42,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:43,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:55:43,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:55:43,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:43,818 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:43,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:44,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:44,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:44,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:55:44,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:44,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:44,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:46,782 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:55:46,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:55:46,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:46,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:55:47,884 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:47,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:47,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:47,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:47,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:55:47,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:47,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:48,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:55:51,630 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:55:51,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:55:51,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:51,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:51,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:55:53,452 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:55:53,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:55:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:53,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:53,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:53,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:55:53,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:53,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:54,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:55:54,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:55:54,368 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:55:54,369 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:55:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:55:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:55:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:55:54,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:54,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:54,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:55:54,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:55:54,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:55:54,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:55:59,704 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:55:59,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:55:59,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:55:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:55:59,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:01,610 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:56:01,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:56:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:01,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:01,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:01,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:01,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:01,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:02,031 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 72 treesize of output 55 [2021-11-13 22:56:02,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:02,384 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:02,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:02,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:02,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:02,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:56:02,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:02,496 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 [2021-11-13 22:56:02,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:05,029 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:56:05,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:56:05,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:05,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:56:06,099 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:56:06,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:56:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:06,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:06,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:06,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:06,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:06,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:06,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:06,697 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:06,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:06,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:06,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:08,069 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:08,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:56:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:08,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:08,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:08,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:56:08,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:08,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:08,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:08,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:08,622 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:08,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:08,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:08,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:08,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:08,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:08,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:09,070 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 72 treesize of output 55 [2021-11-13 22:56:09,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:09,436 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:09,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:09,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:09,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:09,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:09,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:09,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:09,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:09,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:10,343 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:10,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:10,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:10,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:10,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:10,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:10,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:10,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:10,727 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 72 treesize of output 55 [2021-11-13 22:56:11,055 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:11,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:11,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:11,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:11,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:11,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:11,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:11,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:11,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:11,753 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:11,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:11,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:11,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:11,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:11,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:11,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:12,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:12,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:12,523 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:12,523 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:12,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:12,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:12,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:12,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:12,706 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 [2021-11-13 22:56:12,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:12,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-13 22:56:12,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:56:12,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:56:13,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:13,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:56:13,217 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 56 treesize of output 36 [2021-11-13 22:56:13,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:13,969 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:13,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:14,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:14,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:14,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:14,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:14,180 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 [2021-11-13 22:56:14,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:14,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:14,751 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:14,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:14,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:14,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:14,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:14,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:14,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:15,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:15,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:15,436 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:15,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:15,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:15,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:15,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:56:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:15,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:15,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:15,831 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 73 treesize of output 56 [2021-11-13 22:56:16,150 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:16,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:16,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:16,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:16,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:16,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:16,270 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 [2021-11-13 22:56:16,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:16,737 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:16,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:16,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:16,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:18,061 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:18,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:56:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:18,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:18,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:18,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:18,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:18,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:18,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:18,609 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:18,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:18,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:18,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:19,980 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:19,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:56:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:20,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:20,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:20,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:20,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:20,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:25,140 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:25,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:25,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:25,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:27,037 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:56:27,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:56:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:27,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:27,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:27,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:56:27,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:27,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:27,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:27,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:27,621 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:27,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:27,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:27,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:27,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:27,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:27,730 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 [2021-11-13 22:56:27,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:27,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:28,237 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:28,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:28,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:28,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:28,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:28,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:28,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:28,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:28,581 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 72 treesize of output 55 [2021-11-13 22:56:28,922 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:28,922 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:29,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:29,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:29,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:29,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:56:29,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:29,116 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 [2021-11-13 22:56:29,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:34,769 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:56:34,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:56:34,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:34,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:56:35,757 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:56:35,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:56:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:36,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:36,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:36,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:56:36,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:36,105 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 [2021-11-13 22:56:36,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:36,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:36,632 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:36,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:36,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:36,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:36,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:36,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:36,820 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 [2021-11-13 22:56:37,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:37,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:37,542 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:37,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:37,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:37,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:37,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:56:37,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:37,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:37,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:39,166 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:56:39,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:56:39,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:39,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:56:40,252 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:40,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:56:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:40,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:40,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:40,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:40,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:40,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:40,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:40,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:40,935 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:40,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:41,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:41,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:41,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:41,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:41,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:41,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:46,323 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:46,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:46,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:46,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:48,408 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:56:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:56:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:48,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:48,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:48,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:48,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:56:48,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:48,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:48,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:48,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:49,062 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:49,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:49,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:49,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:49,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:49,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:49,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:49,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:49,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:49,847 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:49,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:50,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:50,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:50,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:50,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:50,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:50,098 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 27 treesize of output 15 [2021-11-13 22:56:50,598 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:50,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:50,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:50,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:52,090 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:52,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:56:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:52,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:52,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:52,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:52,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:52,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:52,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:52,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:52,984 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:52,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:53,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:53,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:53,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:53,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:53,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:53,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:53,357 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 72 treesize of output 55 [2021-11-13 22:56:53,749 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:53,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:53,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:53,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:53,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:53,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:53,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:53,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:54,409 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:54,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:54,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:54,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:55,922 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:55,922 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 56 treesize of output 33 [2021-11-13 22:56:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:55,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:55,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:56,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:56,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:56,025 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 [2021-11-13 22:56:56,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:56:56,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:56:56,619 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:56:56,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:56:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:56,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:56,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:56,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:56:56,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:56,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:56,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:56:57,238 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:56:57,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:56:57,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:56:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:56:57,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:56:58,783 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:56:58,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:56:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:56:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:56:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:56:58,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:58,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:58,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:56:58,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:56:58,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:56:58,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:04,153 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:04,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:04,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:04,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:06,307 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:57:06,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:57:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:06,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:06,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:06,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:57:06,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:06,422 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 [2021-11-13 22:57:06,581 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 73 treesize of output 56 [2021-11-13 22:57:06,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:07,015 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:07,015 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:07,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:07,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:07,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:07,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:07,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:07,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:07,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:12,474 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:12,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:12,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:12,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:14,637 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:57:14,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:57:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:14,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:14,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:14,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:57:14,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:14,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:14,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:14,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:15,333 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:15,333 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:15,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:15,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:15,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:57:15,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:15,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:15,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:15,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:16,059 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:16,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:16,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:16,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:16,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:16,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:16,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:16,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:21,680 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:21,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:21,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:21,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:23,809 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:57:23,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:57:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:23,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:23,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:23,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:23,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:23,939 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 [2021-11-13 22:57:24,319 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 27 treesize of output 15 [2021-11-13 22:57:25,999 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:26,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:26,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:26,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:27,584 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:57:27,584 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 56 treesize of output 33 [2021-11-13 22:57:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:28,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:28,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:28,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:57:28,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:28,280 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 [2021-11-13 22:57:28,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:28,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:28,834 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:28,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:28,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:28,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:28,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:28,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:57:28,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:28,964 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 [2021-11-13 22:57:29,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:29,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:29,553 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:29,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:29,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:29,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:29,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:29,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:57:29,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:29,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:29,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:30,244 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:30,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:30,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:30,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:31,774 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:57:31,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:57:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:31,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:31,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:31,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:31,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:31,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:31,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:37,124 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:37,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:37,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:37,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:39,458 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:57:39,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:57:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:39,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:39,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:39,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:57:39,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:39,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:39,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:41,043 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:41,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:41,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:41,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:42,657 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:57:42,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:57:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:42,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:42,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:42,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:57:42,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:42,775 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 [2021-11-13 22:57:42,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:42,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:43,379 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:43,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:43,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:43,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:43,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:57:43,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:43,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:43,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:43,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:44,133 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:44,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:44,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:44,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:44,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:57:44,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:44,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:44,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:44,718 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:57:44,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:57:44,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:44,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:57:45,899 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:57:45,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:57:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:45,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:45,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:46,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:57:46,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:46,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:46,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:46,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:46,642 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:46,642 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:46,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:46,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:57:46,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:46,864 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 [2021-11-13 22:57:47,011 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 72 treesize of output 55 [2021-11-13 22:57:47,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:57:47,441 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:47,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:47,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:47,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:47,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:57:47,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:47,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:47,779 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 73 treesize of output 56 [2021-11-13 22:57:47,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:48,206 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:48,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:48,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:48,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:48,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:57:48,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:48,449 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 [2021-11-13 22:57:48,607 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 73 treesize of output 56 [2021-11-13 22:57:48,624 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 72 treesize of output 55 [2021-11-13 22:57:49,028 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:49,028 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:49,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:49,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:49,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:57:49,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:49,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:49,412 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 73 treesize of output 56 [2021-11-13 22:57:49,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:57:49,850 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:57:49,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:57:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:49,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:49,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:50,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:57:50,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:50,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:50,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:55,462 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:55,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:55,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:55,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:57:57,592 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:57:57,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:57:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:57,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:57:57,630 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:57:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:57,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:57,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:57,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:57:57,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:57:57,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:57:57,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:57:59,146 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:57:59,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:57:59,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:57:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:57:59,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:58:01,639 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:01,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:01,669 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:01,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:01,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:01,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:58:01,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:01,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:01,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:01,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:02,333 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:02,333 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:02,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:02,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:02,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:58:02,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:02,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:02,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:02,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:03,033 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:03,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:03,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:03,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:03,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:03,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:03,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:03,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:04,745 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:58:04,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:58:04,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:04,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:58:07,297 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:07,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:07,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:07,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:07,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:58:07,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:07,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:07,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:09,548 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:58:09,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:58:09,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:09,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:58:12,127 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:12,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:12,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:12,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:12,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:58:12,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:12,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:12,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:13,594 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:58:13,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:58:13,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:13,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:58:14,780 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:14,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:14,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:14,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:14,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:14,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:14,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:15,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:15,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:15,558 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:15,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:15,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:15,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:15,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:15,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:15,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:16,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:16,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:16,531 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:16,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:16,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:16,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:16,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:16,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:58:16,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:16,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:16,833 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 27 treesize of output 15 [2021-11-13 22:58:22,543 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:58:22,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:58:22,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:22,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:58:24,682 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:58:24,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:58:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:24,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:24,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:24,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:58:24,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:24,768 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 [2021-11-13 22:58:24,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:25,205 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:58:25,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:58:25,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:25,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:25,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:58:26,439 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:26,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:26,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:26,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:26,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:26,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:26,583 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 [2021-11-13 22:58:26,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:26,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:27,368 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:27,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:27,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:27,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:27,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:27,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:27,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:27,804 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 72 treesize of output 55 [2021-11-13 22:58:27,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:28,266 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:28,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:28,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:28,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:28,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:58:28,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:28,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:31,081 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:58:31,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:58:31,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:31,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:58:32,408 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:58:32,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:58:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:32,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:32,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:32,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:32,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:32,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:32,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:32,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:33,316 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:33,316 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:33,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:33,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:33,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:33,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:33,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:33,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:34,192 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:34,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:34,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:34,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:34,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:58:34,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:34,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:34,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:34,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:35,192 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:35,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:35,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:35,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:35,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:58:35,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:35,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:35,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:36,230 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:58:36,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:58:36,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:36,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:58:37,372 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:37,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:37,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:37,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:37,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:37,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:37,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:37,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:37,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:38,085 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:38,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:38,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:38,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:38,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:58:38,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:38,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:38,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:58:41,136 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:58:41,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:58:41,229 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:41,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:58:42,454 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:58:42,455 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 54 treesize of output 33 [2021-11-13 22:58:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:42,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:42,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:42,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:42,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:42,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:42,554 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 [2021-11-13 22:58:42,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:42,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:43,184 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:43,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:43,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:43,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:43,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:58:43,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:43,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:43,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:43,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:43,976 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:43,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:44,088 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:44,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:44,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:44,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:58:44,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:44,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:44,223 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 27 treesize of output 15 [2021-11-13 22:58:45,076 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:58:45,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:58:45,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:45,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:45,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:58:46,355 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:46,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:46,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:46,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:46,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:58:46,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:46,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:46,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:48,285 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:58:48,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:58:48,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:48,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:58:50,946 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:50,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:51,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:51,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:51,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:51,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:51,352 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 [2021-11-13 22:58:51,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:51,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:51,982 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:51,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:52,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:52,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:52,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:52,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:52,237 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 [2021-11-13 22:58:52,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:58:52,747 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:58:52,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:58:52,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:58:52,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:58:54,419 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:58:54,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:58:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:54,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:54,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:54,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:54,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:54,576 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 [2021-11-13 22:58:54,743 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 73 treesize of output 56 [2021-11-13 22:58:54,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:55,258 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:55,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:55,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:55,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:55,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:55,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:58:55,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:55,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:55,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:55,639 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 72 treesize of output 55 [2021-11-13 22:58:56,122 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:56,122 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:56,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:56,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:56,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:56,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:56,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:56,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:56,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:57,127 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:57,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:57,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:57,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:57,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:58:57,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:57,246 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 [2021-11-13 22:58:57,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:57,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:57,879 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:57,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:58,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:58,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:58,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:58:58,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:58,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:58,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:58:58,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:58:58,908 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:58:58,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:58:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:58:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:58:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:58:58,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:58,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:59,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:58:59,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:58:59,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:58:59,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 41 [2021-11-13 22:58:59,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:59,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:58:59,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-11-13 22:58:59,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:58:59,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 22:58:59,694 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 56 treesize of output 36 [2021-11-13 22:58:59,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:00,633 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:00,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:00,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:00,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:00,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:00,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:00,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:00,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:00,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:01,432 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:01,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:01,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:01,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:01,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:01,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:01,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:01,706 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 73 treesize of output 56 [2021-11-13 22:59:01,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:02,129 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:02,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:02,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:02,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:02,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:02,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:02,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:02,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:02,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:02,818 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:02,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:02,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:02,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:02,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:59:02,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:02,927 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 [2021-11-13 22:59:03,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:03,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:03,649 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:03,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:03,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:03,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:59:03,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:03,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:03,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:04,011 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 72 treesize of output 55 [2021-11-13 22:59:04,488 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:04,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:04,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:04,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:04,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:04,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:04,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:04,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:05,110 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:59:05,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:59:05,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:05,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:59:06,812 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:59:06,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:59:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:06,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:06,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:06,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:06,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:06,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:07,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:07,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:07,585 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:07,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:07,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:07,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:07,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:59:07,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:07,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:07,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:08,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:08,417 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:08,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:08,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:08,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:08,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:08,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:08,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:08,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:08,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:09,228 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:09,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:09,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:09,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:09,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:09,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:09,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:09,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:09,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:09,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:09,936 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:09,936 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:09,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:09,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:09,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:10,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:10,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:10,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:10,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:10,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:10,772 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:10,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:10,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:10,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:10,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:10,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:10,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:11,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:11,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:11,630 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:11,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:11,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:11,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:11,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:11,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:11,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:11,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:12,173 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:59:12,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:59:12,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:12,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:59:13,514 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:59:13,514 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 56 treesize of output 33 [2021-11-13 22:59:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:13,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:13,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:13,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:13,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:13,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:13,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:19,207 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:59:19,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:59:19,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:19,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:59:21,526 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:59:21,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:59:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:21,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:21,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:21,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:21,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:21,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:21,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:22,186 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:59:22,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:59:22,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:22,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:59:23,848 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:59:23,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:59:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:23,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:23,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:23,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:23,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:23,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:23,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:29,004 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:59:29,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:59:29,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:29,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:29,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:59:31,446 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:59:31,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:59:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:31,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:31,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:31,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:31,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:31,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:31,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:31,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:32,210 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:32,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:32,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:32,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:32,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:32,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:59:32,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:32,425 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 [2021-11-13 22:59:32,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:32,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:33,068 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:33,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:33,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:33,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:33,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:59:33,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:33,198 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 [2021-11-13 22:59:33,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:33,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:33,866 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:33,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:33,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:33,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:34,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:59:34,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:34,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:34,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:34,843 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:59:34,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:59:34,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:35,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:59:36,188 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:59:36,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:59:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:36,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:36,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:36,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:59:36,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:36,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:36,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:36,726 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 22:59:36,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 22:59:36,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:36,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 22:59:38,034 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 22:59:38,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 22:59:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:38,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:38,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:38,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:38,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:38,162 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 [2021-11-13 22:59:38,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 22:59:38,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 22:59:38,810 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:59:38,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 22:59:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:38,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:38,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:39,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:39,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:39,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:39,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:44,370 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:59:44,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:59:44,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:44,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:59:46,665 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:59:46,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:59:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:46,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:46,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:46,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:46,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:46,790 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 [2021-11-13 22:59:46,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:59:51,946 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 22:59:51,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 22:59:52,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:59:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:59:52,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 22:59:54,323 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 22:59:54,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 22:59:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 22:59:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 22:59:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:54,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:54,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:54,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:54,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:54,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:59:54,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:00,112 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:00,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:00,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:00,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:02,471 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 23:00:02,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 23:00:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:02,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:02,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:02,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:02,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:02,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:02,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:02,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:03,276 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:03,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:03,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:03,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:03,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 23:00:03,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:03,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:03,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 23:00:06,312 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 23:00:06,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 23:00:06,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:06,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 23:00:07,816 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 23:00:07,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 23:00:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:07,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:07,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:07,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:07,939 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 [2021-11-13 23:00:08,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:08,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:08,610 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:08,610 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:08,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:08,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:08,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 23:00:08,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:08,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:08,991 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 72 treesize of output 55 [2021-11-13 23:00:09,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:09,487 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:09,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:09,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:09,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:09,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:09,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:09,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:10,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:10,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:10,581 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:10,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:10,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:10,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:10,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:10,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:10,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:10,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:11,266 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:11,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:11,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:11,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:13,094 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:13,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:13,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:13,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:13,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:13,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:13,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:13,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:13,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:13,967 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:13,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:14,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:14,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:14,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:14,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:14,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:14,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:14,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:14,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:14,780 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:14,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:14,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:14,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:14,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:14,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:14,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:14,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:15,447 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:15,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:15,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:15,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:17,197 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:17,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:17,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:17,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:17,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:17,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:17,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:17,356 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 27 treesize of output 15 [2021-11-13 23:00:17,880 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:17,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:17,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:18,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:19,671 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:19,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:19,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:19,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:19,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:19,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:19,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:19,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:21,417 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:21,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:21,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:21,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:24,201 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:24,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:24,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:24,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:24,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:24,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:24,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:24,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:24,538 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 72 treesize of output 55 [2021-11-13 23:00:25,011 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:25,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:25,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:25,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:25,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:25,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:25,219 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 [2021-11-13 23:00:25,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:25,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:26,132 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:26,132 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:26,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:26,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:26,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 23:00:26,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:26,364 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 [2021-11-13 23:00:26,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:31,696 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:31,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:31,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:31,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:34,234 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-13 23:00:34,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 33 [2021-11-13 23:00:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:34,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:34,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:34,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 23:00:34,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:34,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:34,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:34,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:35,069 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:35,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:35,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:35,199 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:35,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:35,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:35,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:35,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:35,286 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 [2021-11-13 23:00:35,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:35,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:35,975 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:35,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:36,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:36,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:36,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:36,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:36,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:36,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:36,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:36,771 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:36,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:36,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:36,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:36,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 23:00:36,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:36,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:36,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:37,751 INFO L354 Elim1Store]: treesize reduction 152, result has 4.4 percent of original size [2021-11-13 23:00:37,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 115 [2021-11-13 23:00:37,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:37,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:37,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-11-13 23:00:38,967 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:38,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:38,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:38,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:39,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 23:00:39,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:39,078 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 [2021-11-13 23:00:39,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:40,747 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:40,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:40,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:41,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:43,640 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:43,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:43,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:43,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:43,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:43,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:43,780 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 [2021-11-13 23:00:43,958 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 73 treesize of output 56 [2021-11-13 23:00:43,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:44,467 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:44,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:44,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:44,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:44,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:44,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:44,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:44,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2021-11-13 23:00:44,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2021-11-13 23:00:45,320 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 23:00:45,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 57 [2021-11-13 23:00:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:45,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:45,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:45,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:45,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:45,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:00:45,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:00:46,060 INFO L354 Elim1Store]: treesize reduction 160, result has 4.2 percent of original size [2021-11-13 23:00:46,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 165 treesize of output 128 [2021-11-13 23:00:46,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:00:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:00:46,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2021-11-13 23:00:47,818 INFO L354 Elim1Store]: treesize reduction 97, result has 6.7 percent of original size [2021-11-13 23:00:47,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 33 [2021-11-13 23:00:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 154 transitions. [2021-11-13 23:00:47,849 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 154 transitions. [2021-11-13 23:00:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:00:47,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:47,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:47,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:00:47,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:47,927 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 [2021-11-13 23:00:47,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15