./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_poly6.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_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/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_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_poly6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/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_b16bea6c-f763-4c10-8d80-ed78ef7830a8/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 26ad3956041b2e839611ff318d272e1f932670752c1f7180f45920516dc03b70 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:31:32,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:31:32,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:31:32,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:31:32,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:31:32,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:31:32,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:31:32,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:31:32,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:31:32,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:31:32,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:31:32,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:31:32,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:31:32,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:31:32,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:31:32,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:31:32,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:31:32,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:31:32,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:31:32,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:31:32,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:31:32,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:31:32,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:31:32,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:31:32,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:31:32,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:31:32,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:31:32,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:31:32,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:31:32,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:31:32,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:31:32,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:31:32,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:31:32,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:31:32,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:31:32,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:31:32,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:31:32,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:31:32,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:31:32,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:31:32,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:31:32,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:31:32,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:31:32,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:31:32,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:31:32,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:31:32,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:31:32,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:31:32,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:31:32,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:31:32,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:31:32,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:31:32,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:31:32,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:31:32,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:31:32,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:31:32,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:31:32,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:31:32,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:31:32,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:31:32,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:31:32,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:31:32,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:31:32,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:31:32,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:31:32,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:31:32,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:31:32,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:31:32,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:31:32,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:31:32,946 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_b16bea6c-f763-4c10-8d80-ed78ef7830a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26ad3956041b2e839611ff318d272e1f932670752c1f7180f45920516dc03b70 [2021-11-13 23:31:33,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:31:33,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:31:33,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:31:33,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:31:33,309 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:31:33,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-cav19/array_tiling_poly6.c [2021-11-13 23:31:33,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/data/6d938c12d/10dec1d6df2644c4ac69d0d28f7169a7/FLAGb2a17c2bb [2021-11-13 23:31:33,902 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:31:33,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/sv-benchmarks/c/array-cav19/array_tiling_poly6.c [2021-11-13 23:31:33,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/data/6d938c12d/10dec1d6df2644c4ac69d0d28f7169a7/FLAGb2a17c2bb [2021-11-13 23:31:34,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/data/6d938c12d/10dec1d6df2644c4ac69d0d28f7169a7 [2021-11-13 23:31:34,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:31:34,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:31:34,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:31:34,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:31:34,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:31:34,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99591cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34, skipping insertion in model container [2021-11-13 23:31:34,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:31:34,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:31:34,554 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_b16bea6c-f763-4c10-8d80-ed78ef7830a8/sv-benchmarks/c/array-cav19/array_tiling_poly6.c[409,422] [2021-11-13 23:31:34,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:31:34,588 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:31:34,598 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_b16bea6c-f763-4c10-8d80-ed78ef7830a8/sv-benchmarks/c/array-cav19/array_tiling_poly6.c[409,422] [2021-11-13 23:31:34,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:31:34,617 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:31:34,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34 WrapperNode [2021-11-13 23:31:34,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:31:34,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:31:34,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:31:34,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:31:34,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:31:34,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:31:34,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:31:34,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:31:34,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:31:34,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:31:34,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:31:34,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:31:34,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:34" (1/1) ... [2021-11-13 23:31:34,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:31:34,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:31:34,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:31:34,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16bea6c-f763-4c10-8d80-ed78ef7830a8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:31:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:31:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:31:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:31:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:31:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:31:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:31:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:31:35,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:31:35,185 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:31:35,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:35 BoogieIcfgContainer [2021-11-13 23:31:35,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:31:35,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:31:35,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:31:35,217 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:31:35,217 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:35" (1/1) ... [2021-11-13 23:31:35,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:31:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-13 23:31:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-13 23:31:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:31:35,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:35,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:35,618 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 23:31:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2021-11-13 23:31:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2021-11-13 23:31:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:31:35,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:35,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:35,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:31:35,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2021-11-13 23:31:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2021-11-13 23:31:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:31:36,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:36,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:36,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:31:36,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:31:36,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-13 23:31:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-13 23:31:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:31:36,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:36,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:36,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:31:36,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:37,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-13 23:31:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-13 23:31:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:31:37,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:37,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:37,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 23:31:37,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:37,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 23:31:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:37,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 23:31:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:37,342 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:31:37,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 23:31:37,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:37,402 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:31:37,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2021-11-13 23:31:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-13 23:31:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-13 23:31:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:31:39,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:39,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:39,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:31:39,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-13 23:31:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-13 23:31:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:31:40,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:40,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:40,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:31:40,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-13 23:31:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-13 23:31:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:31:41,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:41,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:41,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 23:31:41,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:41,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 23:31:42,075 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-13 23:31:42,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 23:31:42,185 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-13 23:31:42,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-13 23:31:42,468 INFO L354 Elim1Store]: treesize reduction 594, result has 10.7 percent of original size [2021-11-13 23:31:42,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 129 treesize of output 156 [2021-11-13 23:31:42,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:31:42,603 INFO L354 Elim1Store]: treesize reduction 111, result has 0.9 percent of original size [2021-11-13 23:31:42,603 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 140 treesize of output 79 [2021-11-13 23:31:42,767 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-13 23:31:42,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 39 [2021-11-13 23:31:42,887 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-13 23:31:42,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 41 [2021-11-13 23:31:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2021-11-13 23:31:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2021-11-13 23:31:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:31:45,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:45,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:45,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:31:45,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-13 23:31:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-13 23:31:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:31:47,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:47,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:47,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:31:47,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-11-13 23:31:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-11-13 23:31:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:31:49,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:49,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:49,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:31:49,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-13 23:31:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-13 23:31:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:31:51,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:51,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:51,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 23:31:51,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:51,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:31:52,143 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:31:52,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:31:52,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:31:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:31:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2021-11-13 23:31:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-13 23:31:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:31:54,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:54,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:54,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 23:31:54,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:31:54,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 23:31:55,069 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-13 23:31:55,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 23:31:55,230 INFO L354 Elim1Store]: treesize reduction 170, result has 16.3 percent of original size [2021-11-13 23:31:55,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 103 [2021-11-13 23:31:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:55,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 18 [2021-11-13 23:31:55,490 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-13 23:31:55,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-13 23:31:56,070 INFO L354 Elim1Store]: treesize reduction 759, result has 10.9 percent of original size [2021-11-13 23:31:56,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 181 [2021-11-13 23:31:56,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:31:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 23:31:56,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 82 [2021-11-13 23:31:56,584 INFO L354 Elim1Store]: treesize reduction 849, result has 11.2 percent of original size [2021-11-13 23:31:56,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 200 [2021-11-13 23:31:56,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:31:56,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 23:31:56,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:31:56,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 76 [2021-11-13 23:31:56,927 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-13 23:31:56,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 60 treesize of output 53 [2021-11-13 23:31:57,108 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-13 23:31:57,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 55 [2021-11-13 23:31:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:02,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2021-11-13 23:32:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2021-11-13 23:32:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:02,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:02,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:02,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 23:32:02,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:32:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2021-11-13 23:32:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2021-11-13 23:32:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:08,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:08,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:08,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 23:32:08,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:32:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2021-11-13 23:32:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2021-11-13 23:32:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:08,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:08,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:08,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 23:32:08,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:32:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2021-11-13 23:32:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2021-11-13 23:32:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:11,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:11,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:11,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 23:32:11,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:32:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2021-11-13 23:32:13,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2021-11-13 23:32:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:13,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:13,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 23:32:13,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:32:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:37,188 WARN L227 SmtUtils]: Spent 19.58s on a formula simplification. DAG size of input: 47 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:57,009 WARN L227 SmtUtils]: Spent 19.54s on a formula simplification. DAG size of input: 49 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 96 transitions. [2021-11-13 23:32:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 96 transitions. [2021-11-13 23:32:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:32:59,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:59,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:59,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-13 23:32:59,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:00,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:33:00,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-13 23:33:00,134 INFO L354 Elim1Store]: treesize reduction 74, result has 16.9 percent of original size [2021-11-13 23:33:00,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 82 [2021-11-13 23:33:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:00,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 15 [2021-11-13 23:33:00,297 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-13 23:33:00,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-13 23:33:00,612 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-13 23:33:00,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-13 23:33:00,949 INFO L354 Elim1Store]: treesize reduction 164, result has 17.6 percent of original size [2021-11-13 23:33:00,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 58 [2021-11-13 23:33:01,707 INFO L354 Elim1Store]: treesize reduction 200, result has 15.6 percent of original size [2021-11-13 23:33:01,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 61 treesize of output 61 [2021-11-13 23:33:02,286 INFO L354 Elim1Store]: treesize reduction 954, result has 9.2 percent of original size [2021-11-13 23:33:02,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 147 treesize of output 188 [2021-11-13 23:33:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:02,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 85 [2021-11-13 23:33:03,120 INFO L354 Elim1Store]: treesize reduction 1020, result has 10.1 percent of original size [2021-11-13 23:33:03,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 160 treesize of output 213 [2021-11-13 23:33:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:33:03,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2021-11-13 23:33:03,639 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-13 23:33:03,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 71 treesize of output 67 [2021-11-13 23:33:04,092 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-13 23:33:04,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 69 [2021-11-13 23:33:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 61 states and 111 transitions. [2021-11-13 23:33:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2021-11-13 23:33:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:33:13,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:13,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:13,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:33:13,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:33:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 68 states and 126 transitions. [2021-11-13 23:33:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-11-13 23:33:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:19,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:19,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:19,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:33:19,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 129 transitions. [2021-11-13 23:33:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2021-11-13 23:33:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:31,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:31,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:31,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:33:31,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2021-11-13 23:33:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-11-13 23:33:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:37,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:37,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:37,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:33:37,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 72 states and 132 transitions. [2021-11-13 23:33:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2021-11-13 23:33:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:40,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:40,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:40,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:33:40,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 71 states and 130 transitions. [2021-11-13 23:33:45,580 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 130 transitions. [2021-11-13 23:33:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:45,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:45,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:45,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:33:45,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 126 transitions. [2021-11-13 23:33:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 126 transitions. [2021-11-13 23:33:52,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:52,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:52,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:52,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:33:52,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:33:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:21,359 WARN L227 SmtUtils]: Spent 19.52s on a formula simplification. DAG size of input: 53 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:34:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 78 states and 139 transitions. [2021-11-13 23:34:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2021-11-13 23:34:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:34:29,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:29,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:30,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:34:30,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:34:30,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:34:30,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-13 23:34:30,547 INFO L354 Elim1Store]: treesize reduction 74, result has 16.9 percent of original size [2021-11-13 23:34:30,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 82 [2021-11-13 23:34:30,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:34:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:30,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 20 [2021-11-13 23:34:30,847 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-13 23:34:30,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-13 23:34:30,937 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-13 23:34:30,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-13 23:34:31,104 INFO L354 Elim1Store]: treesize reduction 164, result has 17.6 percent of original size [2021-11-13 23:34:31,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 58 [2021-11-13 23:34:32,084 INFO L354 Elim1Store]: treesize reduction 236, result has 15.7 percent of original size [2021-11-13 23:34:32,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 70 [2021-11-13 23:34:34,417 INFO L354 Elim1Store]: treesize reduction 1133, result has 10.2 percent of original size [2021-11-13 23:34:34,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 156 treesize of output 223 [2021-11-13 23:34:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 23:34:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:34:34,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 103 [2021-11-13 23:34:35,691 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-13 23:34:35,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 76 treesize of output 75 [2021-11-13 23:34:36,854 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-13 23:34:36,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 78 treesize of output 77 [2021-11-13 23:34:38,006 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-13 23:34:38,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 80 treesize of output 79 [2021-11-13 23:34:39,273 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-13 23:34:39,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 82 treesize of output 81 [2021-11-13 23:34:40,525 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-13 23:34:40,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 84 treesize of output 83 [2021-11-13 23:34:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 85 states and 157 transitions. [2021-11-13 23:35:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 157 transitions. [2021-11-13 23:35:10,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:35:10,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:10,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:10,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:35:10,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:35:11,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:35:11,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:35:13,188 INFO L354 Elim1Store]: treesize reduction 49, result has 21.0 percent of original size [2021-11-13 23:35:13,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 36 [2021-11-13 23:35:14,008 INFO L354 Elim1Store]: treesize reduction 329, result has 15.0 percent of original size [2021-11-13 23:35:14,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 147 [2021-11-13 23:35:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:35:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:35:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:35:14,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 60 [2021-11-13 23:35:14,850 INFO L354 Elim1Store]: treesize reduction 67, result has 4.3 percent of original size [2021-11-13 23:35:14,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 30 [2021-11-13 23:35:22,763 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:35:22,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:35:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 94 states and 201 transitions. [2021-11-13 23:36:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 201 transitions. [2021-11-13 23:36:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:36:01,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:01,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:01,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:36:01,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:02,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:36:04,878 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:36:04,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:36:04,913 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:36:04,941 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:36:04,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 64 [2021-11-13 23:36:06,026 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:36:06,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:36:07,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:36:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 95 states and 206 transitions. [2021-11-13 23:36:43,251 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 206 transitions. [2021-11-13 23:36:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:36:43,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:43,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:43,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:36:43,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:43,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:36:43,411 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:36:43,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:36:43,468 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:36:43,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:36:43,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:36:47,214 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 102 states and 245 transitions. [2021-11-13 23:37:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 245 transitions. [2021-11-13 23:37:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:37:18,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:18,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:18,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:37:18,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:37:18,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:37:18,739 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:37:18,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:37:18,800 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:37:18,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:37:18,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:37:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:18,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:37:19,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:37:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 102 states and 245 transitions. [2021-11-13 23:37:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 245 transitions. [2021-11-13 23:37:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:37:19,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:19,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:19,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:37:19,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:37:21,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:37:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:24,334 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:37:24,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:37:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:25,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:37:25,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:37:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:25,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:25,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:37:26,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:37:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:20,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:20,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:20,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:20,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:20,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:20,571 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:20,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:20,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:38:20,784 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:20,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:20,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:20,923 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:38:20,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 60 [2021-11-13 23:38:20,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:21,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:21,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:21,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:21,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:21,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:21,589 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:21,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:21,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:38:21,735 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:38:21,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:38:21,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:22,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:22,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:22,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:22,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:22,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:22,470 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:38:22,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:38:22,541 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:22,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:22,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:38:22,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:27,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:27,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:27,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:38:27,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:27,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:38:27,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:27,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:38:29,228 INFO L354 Elim1Store]: treesize reduction 49, result has 21.0 percent of original size [2021-11-13 23:38:29,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 36 [2021-11-13 23:38:29,277 INFO L354 Elim1Store]: treesize reduction 57, result has 18.6 percent of original size [2021-11-13 23:38:29,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 40 [2021-11-13 23:38:29,316 INFO L354 Elim1Store]: treesize reduction 67, result has 4.3 percent of original size [2021-11-13 23:38:29,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 30 [2021-11-13 23:38:29,753 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:38:29,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:38:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:29,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:29,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:29,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:29,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:29,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:30,061 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:30,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:30,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:30,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:38:30,203 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:30,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:30,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:30,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:38:30,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:32,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:32,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:33,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:38:33,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:33,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:33,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:38:33,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:38:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:33,129 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:38:33,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:38:33,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:35,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:35,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:35,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:35,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:35,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:35,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:35,216 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:38:35,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:38:35,269 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:38:35,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:38:35,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:37,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:37,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:38,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:38,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:38,131 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:38:38,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:38:38,210 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:38:38,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:38:38,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:38,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:38,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:38,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:38,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:38,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:38,892 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:38,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:38,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:38,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:38,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:38:39,062 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:38:39,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:38:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:41,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:41,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:38:41,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:41,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:38:41,877 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:41,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:38:41,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:41,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:38:41,999 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:38:41,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:38:42,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:38:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-13 23:38:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-13 23:38:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:44,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:44,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:44,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:38:44,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:44,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:38:44,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:38:46,698 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:46,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 123 treesize of output 139 [2021-11-13 23:38:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:46,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:38:48,614 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:38:48,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 123 treesize of output 139 [2021-11-13 23:38:48,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:48,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:48,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:48,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:38:50,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2021-11-13 23:39:06,368 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:39:06,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:39:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:39:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:39:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:39:49,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:49,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:49,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:39:49,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:39:49,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:39:49,434 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:39:49,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:39:49,553 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:39:49,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:39:49,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:49,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:49,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:39:49,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:39:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:39:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:39:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:39:50,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:50,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:50,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:39:50,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:39:50,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:39:50,387 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:39:50,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:39:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:50,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:39:50,539 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:39:50,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:39:50,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:50,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:50,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:50,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:39:50,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:39:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:55,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:39:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:39:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:39:55,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:55,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:55,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:39:55,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:39:55,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:39:55,488 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:39:55,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:39:55,555 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:39:55,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:39:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:39:55,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:39:55,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:00,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:00,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:00,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:00,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:00,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:00,667 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:40:00,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:40:00,711 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:40:00,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:40:00,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:05,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:05,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:05,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:40:05,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:05,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:40:05,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:40:07,598 INFO L354 Elim1Store]: treesize reduction 329, result has 15.0 percent of original size [2021-11-13 23:40:07,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 147 [2021-11-13 23:40:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:07,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 56 [2021-11-13 23:40:07,725 INFO L354 Elim1Store]: treesize reduction 329, result has 15.0 percent of original size [2021-11-13 23:40:07,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 147 [2021-11-13 23:40:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:07,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 65 [2021-11-13 23:40:07,800 INFO L354 Elim1Store]: treesize reduction 67, result has 4.3 percent of original size [2021-11-13 23:40:07,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 30 [2021-11-13 23:40:11,181 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:40:11,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:40:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:11,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:11,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:11,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:40:11,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:11,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:11,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:11,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,439 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:11,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:40:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:11,465 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:11,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:40:11,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:11,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:11,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:11,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:11,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:11,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:12,054 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:40:12,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:40:12,112 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:40:12,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:40:12,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:12,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:12,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:12,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-13 23:40:12,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:15,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:15,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:40:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:15,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:15,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:40:15,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:19,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:19,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:19,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:19,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:19,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:19,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:20,023 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:20,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:20,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:20,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:40:20,189 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:20,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:20,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:20,333 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:40:20,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:40:20,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:23,009 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:23,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:23,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:23,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:23,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:23,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:23,270 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:23,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:23,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:23,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:23,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:40:23,396 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:23,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:23,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:23,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:23,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:40:23,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:28,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:28,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:28,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:28,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:28,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:28,481 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:28,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:28,547 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:40:28,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:40:28,612 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:28,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:28,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:28,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:40:28,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:33,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:33,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:33,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:33,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:33,886 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:33,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:33,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:33,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:33,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:40:34,030 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:34,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:34,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:34,188 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:40:34,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 64 [2021-11-13 23:40:34,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:36,875 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:36,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:36,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:36,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:36,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:40:36,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:36,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:37,093 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:37,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:37,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:37,173 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:40:37,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 64 [2021-11-13 23:40:37,248 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:37,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:37,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:37,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:37,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:37,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:37,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:40:37,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 110 states and 305 transitions. [2021-11-13 23:40:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 305 transitions. [2021-11-13 23:40:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:40:40,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:40,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:40,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 23:40:40,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:40,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:40:40,322 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:40:40,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:40:40,393 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:40:40,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:40:40,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:40:40,509 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:40:40,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:40:40,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:40:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 112 states and 315 transitions. [2021-11-13 23:41:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 315 transitions. [2021-11-13 23:41:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:41:22,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:22,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:22,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:41:22,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:41:22,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:41:22,424 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:41:22,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:41:22,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:41:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:22,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:41:22,609 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:41:22,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:41:22,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:22,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:22,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:22,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:41:22,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:41:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 112 states and 315 transitions. [2021-11-13 23:41:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 315 transitions. [2021-11-13 23:41:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:41:28,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:28,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:28,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-13 23:41:28,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:41:33,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:41:33,808 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:41:33,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:41:33,939 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:41:33,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:41:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:33,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:33,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:41:34,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:41:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 112 states and 315 transitions. [2021-11-13 23:41:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 315 transitions. [2021-11-13 23:41:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:41:39,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:39,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:39,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:41:39,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:41:39,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:41:40,041 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:41:40,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:41:40,088 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:41:40,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:41:40,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:41:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 112 states and 315 transitions. [2021-11-13 23:41:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 315 transitions. [2021-11-13 23:41:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:41:45,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:45,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:45,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-13 23:41:45,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:41:50,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:41:50,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,476 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:41:50,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:41:50,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:41:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,519 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:41:50,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:41:50,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:41:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:50,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:41:50,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:41:50,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:41:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:09,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:09,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:09,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:09,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:09,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:09,260 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:42:09,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:42:09,342 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:09,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:09,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:09,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:09,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:09,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:42:09,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:12,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:12,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:12,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:12,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:12,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:12,670 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:12,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:12,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:12,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:12,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:42:12,819 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:42:12,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:42:12,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:15,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:15,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:15,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:15,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:15,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:16,073 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:16,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:16,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:16,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:16,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:42:16,265 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:42:16,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:42:16,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:19,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:19,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:19,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:19,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:19,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:19,574 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:19,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:19,650 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:19,701 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:42:19,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:42:19,778 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:19,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:19,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:19,967 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:42:19,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 60 [2021-11-13 23:42:19,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:23,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:23,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:23,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:23,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:23,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:23,228 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:23,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:23,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:23,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:42:23,382 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:23,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:23,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:23,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:42:23,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:26,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:26,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:26,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:26,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:42:26,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:26,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,890 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:26,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:26,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,933 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:26,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 60 [2021-11-13 23:42:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:26,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:26,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:26,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:26,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:42:27,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:31,193 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:31,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:31,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:31,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:42:31,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:31,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:31,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:31,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,393 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:31,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 64 [2021-11-13 23:42:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:31,411 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:31,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:42:31,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:33,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:33,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:33,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:33,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:42:33,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:33,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:42:33,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:33,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:42:35,660 INFO L354 Elim1Store]: treesize reduction 49, result has 21.0 percent of original size [2021-11-13 23:42:35,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 36 [2021-11-13 23:42:35,744 INFO L354 Elim1Store]: treesize reduction 329, result has 15.0 percent of original size [2021-11-13 23:42:35,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 147 [2021-11-13 23:42:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:35,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 63 [2021-11-13 23:42:35,819 INFO L354 Elim1Store]: treesize reduction 67, result has 4.3 percent of original size [2021-11-13 23:42:35,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 30 [2021-11-13 23:42:37,806 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:42:37,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:42:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:37,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:37,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:37,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:37,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:37,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:38,025 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:38,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:38,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:38,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:38,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:42:38,173 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:42:38,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:42:38,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:38,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:38,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:38,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:42:38,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:38,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:38,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:38,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:38,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:42:38,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:38,947 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:38,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:42:38,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:39,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:39,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:39,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:39,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:39,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:39,400 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:42:39,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:42:39,452 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:42:39,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:42:39,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:42:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 322 transitions. [2021-11-13 23:42:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 322 transitions. [2021-11-13 23:42:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:40,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:40,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:40,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:42:40,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:40,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:42:40,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:40,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:42:42,214 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:42:42,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 32 [2021-11-13 23:42:42,354 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:42,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 123 treesize of output 139 [2021-11-13 23:42:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:42,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:42,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 60 [2021-11-13 23:42:42,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2021-11-13 23:42:48,120 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:42:48,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:42:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:42:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:42:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:56,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:56,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:56,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:42:56,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:56,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:42:56,679 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:56,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:56,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:42:56,860 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:42:56,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:42:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:56,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:42:56,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:00,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:00,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:00,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:00,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:00,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:00,320 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:00,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:00,396 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:00,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:00,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:00,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:43:00,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:03,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:03,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:03,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:03,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:04,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:04,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:04,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:04,129 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:04,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:04,205 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:43:04,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 60 [2021-11-13 23:43:04,304 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:43:04,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:43:04,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:10,317 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:10,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:10,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:10,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:10,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:10,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:10,647 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:10,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:10,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:10,754 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:43:10,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:43:10,847 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:10,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:10,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:10,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:10,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:43:10,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:16,806 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:16,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:16,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:16,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:16,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:16,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:17,073 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:17,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:17,169 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:43:17,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:43:17,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:17,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:17,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:17,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:17,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:17,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:17,976 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:17,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:18,053 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:18,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:18,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:43:18,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:21,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:21,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:21,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:21,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:21,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:21,736 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:21,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:21,821 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:21,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:21,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:21,927 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:43:21,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:43:21,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:27,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:27,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:28,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:28,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:28,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:28,105 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:28,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:28,196 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:28,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:28,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:28,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:28,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:43:28,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:34,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:34,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:34,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:34,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:34,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:34,572 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:34,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:34,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:34,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:34,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:43:34,820 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:34,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:34,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:43:34,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:38,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:38,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:38,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:38,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:38,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:38,376 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:38,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:38,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:43:38,543 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:43:38,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:43:38,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:44,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:44,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:44,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:44,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:44,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:44,860 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:44,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:44,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:44,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:44,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:43:45,001 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:45,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:45,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:43:45,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:45,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:45,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:45,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 23:43:45,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:45,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:43:45,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:43:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:45,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:43:45,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:46,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:46,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:43:46,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:43:46,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:48,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:48,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:48,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:48,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:48,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:48,441 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:48,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:48,543 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:43:48,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:43:48,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:43:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:51,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:51,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:52,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:43:52,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:52,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-11-13 23:43:52,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-13 23:43:54,220 INFO L354 Elim1Store]: treesize reduction 49, result has 21.0 percent of original size [2021-11-13 23:43:54,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 36 [2021-11-13 23:43:54,398 INFO L354 Elim1Store]: treesize reduction 329, result has 15.0 percent of original size [2021-11-13 23:43:54,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 147 [2021-11-13 23:43:54,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:54,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:54,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 58 [2021-11-13 23:43:54,507 INFO L354 Elim1Store]: treesize reduction 67, result has 4.3 percent of original size [2021-11-13 23:43:54,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 30 [2021-11-13 23:43:56,973 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 23:43:56,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-13 23:43:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:43:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:43:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:57,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:57,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:57,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:43:57,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:57,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:43:57,293 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:43:57,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:43:57,365 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:43:57,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:43:57,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:43:57,542 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:43:57,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:43:57,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:44:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:44:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:00,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:00,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:01,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:01,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:01,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:01,166 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:01,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:01,280 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:01,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:01,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:44:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:44:07,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:07,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:07,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:07,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:07,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:07,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:07,677 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:07,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:07,739 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:07,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:07,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 114 states and 329 transitions. [2021-11-13 23:44:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 329 transitions. [2021-11-13 23:44:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:08,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:08,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:08,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 23:44:08,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:08,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:08,563 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:08,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:08,636 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:44:08,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 60 [2021-11-13 23:44:08,720 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:08,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:08,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:08,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:08,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:08,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:44:08,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:27,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:27,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:27,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:27,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:27,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:27,957 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:27,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:27,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:44:28,147 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:28,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:28,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:28,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:28,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:28,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:28,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:28,999 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:28,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:29,083 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:29,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:29,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 61 [2021-11-13 23:44:29,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:29,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:29,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:29,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:29,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:29,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:30,002 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:30,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:30,082 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:30,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:30,098 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:44:30,231 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:44:30,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:44:30,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:36,706 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:36,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:36,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:36,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:36,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:36,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:36,938 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:36,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:37,058 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:37,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:37,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:37,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:37,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:37,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:37,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:37,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:37,903 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:37,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:37,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:37,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:37,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:37,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 59 [2021-11-13 23:44:38,077 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:38,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:38,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:38,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 53 [2021-11-13 23:44:38,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:41,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:41,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:41,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:41,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:41,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:41,999 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:42,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:42,117 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:42,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:42,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:45,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:45,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:45,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:45,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:45,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:45,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:45,880 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:45,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:45,996 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:45,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:46,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:49,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:49,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:49,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:49,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:49,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:49,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:49,735 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-13 23:44:49,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-13 23:44:49,825 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:49,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:49,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:53,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:53,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:53,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:53,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:53,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:53,686 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:53,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:53,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:44:53,776 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 23:44:53,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-13 23:44:53,833 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:44:53,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:44:53,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:44:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:44:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:44:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:44:57,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:57,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:57,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:44:57,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:44:57,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:44:57,737 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:57,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:57,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2021-11-13 23:44:57,924 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:44:57,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:44:58,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:44:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:44:58,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 55 [2021-11-13 23:44:58,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-13 23:45:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 336 transitions. [2021-11-13 23:45:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 336 transitions. [2021-11-13 23:45:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:45:01,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:01,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:01,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 23:45:01,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:45:01,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 23:45:01,999 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-13 23:45:01,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-13 23:45:02,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:02,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:02,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 57 [2021-11-13 23:45:02,187 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-13 23:45:02,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-13 23:45:02,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15