./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array8_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/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_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array8_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/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_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/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 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:21,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:21,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:21,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:21,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:21,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:21,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:21,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:21,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:21,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:21,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:21,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:21,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:21,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:21,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:21,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:21,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:21,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:21,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:21,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:21,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:21,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:21,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:21,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:21,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:21,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:21,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:21,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:21,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:21,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:21,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:21,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:21,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:21,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:21,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:21,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:21,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:21,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:21,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:21,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:21,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:21,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:58:21,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:21,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:21,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:21,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:21,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:21,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:21,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:21,911 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:58:21,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:21,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:58:21,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:21,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:21,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:21,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:21,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:58:21,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:21,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:21,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:21,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:21,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:21,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:21,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:21,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:21,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:21,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:21,923 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:21,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:21,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:21,924 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_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 [2021-11-13 21:58:22,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:22,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:22,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:22,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:22,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:22,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array8_pattern.c [2021-11-13 21:58:22,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/data/fbc96673b/c3bd94dc1c4c471cb729f2aa60681375/FLAG45a2cdee6 [2021-11-13 21:58:22,920 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:22,922 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/sv-benchmarks/c/array-patterns/array8_pattern.c [2021-11-13 21:58:22,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/data/fbc96673b/c3bd94dc1c4c471cb729f2aa60681375/FLAG45a2cdee6 [2021-11-13 21:58:23,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/data/fbc96673b/c3bd94dc1c4c471cb729f2aa60681375 [2021-11-13 21:58:23,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:23,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:23,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:23,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:23,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:23,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719f2c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23, skipping insertion in model container [2021-11-13 21:58:23,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:23,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:23,488 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_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2021-11-13 21:58:23,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:23,518 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:23,531 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_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2021-11-13 21:58:23,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:23,561 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:23,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23 WrapperNode [2021-11-13 21:58:23,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:23,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:23,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:23,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:23,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:23,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:23,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:23,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:23,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:23,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:23,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:23,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:23,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:23" (1/1) ... [2021-11-13 21:58:23,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:23,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:23,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0ab3aa-95d0-47c0-a70e-7c34de115b4a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:58:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:58:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:58:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:58:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:58:24,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:24,072 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 21:58:24,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:24 BoogieIcfgContainer [2021-11-13 21:58:24,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:24,075 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:24,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:24,091 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:24,091 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:24" (1/1) ... [2021-11-13 21:58:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 21:58:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 21:58:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:58:24,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:24,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:24,455 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 21:58:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 21:58:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 21:58:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:58:24,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:24,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:24,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 21:58:24,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-13 21:58:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-13 21:58:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:58:24,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:24,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:24,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:24,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-13 21:58:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-13 21:58:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:25,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:25,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:25,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:58:25,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:25,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:58:25,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:58:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:26,257 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:58:26,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:58:27,608 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 21:58:27,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 21:58:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-11-13 21:58:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-11-13 21:58:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:31,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:31,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:31,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:58:31,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:31,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:58:32,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:58:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:35,720 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:58:35,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:58:38,187 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:58:38,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:58:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-11-13 21:58:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-11-13 21:58:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:49,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:49,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:49,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:58:49,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:49,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:58:49,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:58:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:51,166 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:58:51,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:58:51,326 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:58:51,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:58:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:58:58,826 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:58:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:58,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:58,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:58,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:58:58,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:58,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:58:58,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:00,769 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:00,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:00,920 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:00,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:01,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:01,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:01,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:01,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:01,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:01,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:02,964 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:02,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:03,100 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:03,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:03,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:03,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:03,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:03,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:03,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:03,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:05,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:05,071 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:05,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:05,206 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:05,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:05,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:05,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:05,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:05,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:05,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:05,718 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:05,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:05,861 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 21:59:05,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 21:59:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:05,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:05,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:06,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:06,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:06,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:06,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:08,008 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:08,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:08,149 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:08,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:08,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:08,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:08,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:08,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:08,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:08,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:08,619 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:08,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:08,748 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 21:59:08,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 21:59:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:08,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:08,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:08,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:08,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:08,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:08,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:10,654 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:10,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:10,786 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:10,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:10,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:10,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:10,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 21:59:10,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:10,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:10,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:16,534 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:16,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:16,692 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:16,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:26,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:26,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:26,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:26,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:26,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:26,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:28,453 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:28,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:28,572 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:28,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:28,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:28,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:28,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:28,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:28,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:28,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:28,994 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:28,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:29,150 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 21:59:29,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 21:59:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:29,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:29,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:29,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:29,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:29,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:29,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:31,022 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:31,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:31,165 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:31,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:31,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:31,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:31,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:31,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:31,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:31,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 21:59:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:33,083 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:33,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:33,201 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:33,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:33,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:33,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:33,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:33,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:33,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:33,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:35,091 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:35,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:35,216 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:35,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:35,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:35,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:35,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:35,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:35,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:35,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:37,167 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:37,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:37,298 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:37,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:37,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:37,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:37,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:37,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:37,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:37,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 21:59:39,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:39,257 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:39,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:39,404 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:39,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:39,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:39,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:39,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:39,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:39,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:39,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:39,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:41,357 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:41,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:41,497 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:41,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:41,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:41,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:41,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:41,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:41,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:41,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:43,532 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:43,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:43,640 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:43,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:43,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:43,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:43,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:43,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:43,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:43,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:45,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:45,584 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:45,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:45,702 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:45,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:45,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:45,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:45,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:45,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:45,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:45,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 21:59:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:47,584 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:47,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:47,716 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:47,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:47,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:47,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:47,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:47,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:47,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:47,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:49,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:49,608 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:49,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:49,714 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:49,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:49,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:49,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:49,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:49,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:49,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:49,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:50,067 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:50,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:50,174 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 21:59:50,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 21:59:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:50,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:50,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:50,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:50,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:50,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:50,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:52,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:52,042 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:52,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:52,150 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:52,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:52,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:52,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:52,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:52,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:52,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:52,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:54,118 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:54,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:54,224 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:54,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:54,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:54,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:54,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:54,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:54,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:54,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:56,184 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:56,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:56,287 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:56,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:56,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:56,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:56,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:59:56,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:56,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:56,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:56,671 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:56,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:56,838 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 21:59:56,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 21:59:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:56,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:56,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:56,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:56,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:56,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:56,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:59:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:58,690 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 21:59:58,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 21:59:58,833 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:59:58,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 21:59:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 21:59:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 21:59:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:59:58,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:58,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:58,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:59:58,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:58,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:59:58,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:00,696 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:00,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:00,807 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:00,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:00,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:00,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:00,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:00,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:00,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:00,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:00,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:02,828 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:02,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:02,934 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:02,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:02,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:02,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:03,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:00:03,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:03,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:03,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:04,812 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:04,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:04,938 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:04,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:04,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:04,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:05,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:05,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:05,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:05,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:06,935 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:06,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:07,043 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:07,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:07,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:07,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:07,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:00:07,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:07,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:07,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:00:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:08,886 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:08,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:09,010 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:09,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:09,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:09,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:09,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:00:09,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:09,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:09,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:09,432 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:09,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:09,587 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:00:09,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:00:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:09,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:09,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:09,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:00:09,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:09,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:09,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:13,665 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:13,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:13,777 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:13,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:13,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:13,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:13,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:00:13,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:13,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:13,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:00:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:15,644 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:15,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:15,752 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:15,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:15,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:15,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:15,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:15,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:00:15,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:15,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:15,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:16,135 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:16,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:16,260 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:00:16,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:00:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 22:00:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 22:00:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:16,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:16,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:16,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:00:16,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:16,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:16,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:22,705 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:00:22,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:00:23,965 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:00:23,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:00:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:42,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:42,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:42,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:00:42,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:42,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:42,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:00:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:44,812 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:44,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:44,921 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:44,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:44,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:44,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:45,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:00:45,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:45,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:45,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:48,965 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:48,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:49,071 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:49,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:49,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:49,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:49,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:49,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:49,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:49,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:50,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:50,995 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:50,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:51,104 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:51,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:51,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:51,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:51,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:51,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:51,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:51,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:52,996 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:52,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:53,103 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:53,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:53,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:53,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:53,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:53,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:53,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:53,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:54,961 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:54,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:55,103 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:55,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:55,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:55,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:55,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:55,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:55,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:55,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:55,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:57,041 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:57,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:57,177 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:57,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:57,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:57,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:57,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:57,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:57,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:57,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:00:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:00:59,133 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:00:59,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:00:59,238 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:00:59,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:00:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:00:59,282 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:00:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:00:59,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:59,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:59,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:00:59,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:59,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:00:59,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:01,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:01,249 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:01,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:01,361 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:01,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:01,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:01,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:01,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:01,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:01,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:01,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:01:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:03,299 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:03,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:03,429 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:03,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:03,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:03,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:03,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:03,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:03,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:03,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:05,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:05,365 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:05,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:05,479 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:05,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:05,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:05,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:05,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:05,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:05,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:05,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:07,402 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:07,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:07,529 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:07,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:07,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:07,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:07,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:01:07,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:07,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:07,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:11,622 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:11,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:11,741 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:11,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:11,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:11,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:11,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:11,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:11,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:11,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:01:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:13,683 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:13,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:13,813 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:13,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:13,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:13,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:13,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:13,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:13,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:13,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:13,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:01:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:15,665 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:15,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:15,775 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:15,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:15,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:15,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:15,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:15,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:15,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:15,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:17,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:17,744 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:17,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:17,875 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:17,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:17,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:17,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:01:17,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:17,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:18,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:22,066 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:22,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:22,196 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:22,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:22,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:22,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:22,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:22,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:22,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:22,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:24,123 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:24,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:24,251 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:24,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:24,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:24,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:24,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:24,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:24,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:24,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:24,593 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:24,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:24,718 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:01:24,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:01:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:24,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:24,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:24,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:24,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:24,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:24,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:26,702 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:26,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:26,816 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:26,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:26,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:26,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:26,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:26,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:26,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:26,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:28,721 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:28,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:28,833 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:28,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:28,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:28,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:28,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:28,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:28,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:28,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:30,806 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:30,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:30,920 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:30,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:30,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:30,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:30,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:30,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:31,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:31,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:32,756 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:32,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:32,871 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:32,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:32,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:32,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:32,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:32,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:32,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:32,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:34,902 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:34,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:35,007 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:35,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:35,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:35,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:35,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:35,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:35,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:35,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:36,829 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:36,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:36,943 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:36,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:36,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:36,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:37,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:01:37,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:37,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:37,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:41,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:41,162 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:41,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:41,279 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:41,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:41,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:41,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:41,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:41,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:41,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:41,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:43,173 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:43,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:43,294 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:43,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:43,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:43,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:43,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:01:43,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:43,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:43,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:49,643 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:01:49,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:01:49,724 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:01:49,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:01:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:49,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:49,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:49,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:49,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:01:49,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:49,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:49,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:53,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:53,764 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:53,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:53,890 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:53,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:53,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:53,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:53,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:53,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:53,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:53,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:53,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:01:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:55,745 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:55,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:55,886 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:55,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:55,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:55,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:55,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:55,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:55,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:55,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:56,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:56,198 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:56,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:56,322 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:01:56,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:01:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:56,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:56,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:56,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:01:56,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:56,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:56,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:01:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:01:58,206 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:01:58,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:01:58,317 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:01:58,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:01:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:01:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:01:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:58,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:58,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:58,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:01:58,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:58,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:01:58,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:02:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:00,333 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:00,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:00,457 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:00,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:00,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:00,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:00,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:00,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:00,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:00,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:02,382 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:02,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:02,500 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:02,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:02,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:02,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:02,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:02,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:02,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:02,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:02,813 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:02,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:02,928 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:02:02,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:02:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:02,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:02,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:02,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:02,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:03,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:03,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:04,756 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:04,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:04,884 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:04,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:04,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:04,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:04,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:04,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:04,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:04,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:04,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:05,220 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:05,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:05,338 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:02:05,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:02:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:05,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:05,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:05,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:02:05,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:05,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:05,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:11,783 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:02:11,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:02:11,858 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:02:11,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:02:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:11,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:11,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:11,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:11,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:11,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:11,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:13,764 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:13,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:13,896 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:13,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:13,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:13,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:13,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:14,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:14,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:15,908 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:15,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:16,033 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:16,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:16,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:16,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:16,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:16,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:16,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:16,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:17,938 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:17,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:18,062 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:18,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:18,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:18,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:18,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:18,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:18,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:18,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:20,098 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:20,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:20,228 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:20,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:20,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:20,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:20,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:20,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:20,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:20,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:22,163 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:22,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:22,300 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:22,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:22,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:22,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:22,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:22,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:22,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:22,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:02:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:24,217 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:24,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:24,344 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:24,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:24,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:24,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:24,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:24,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:24,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:24,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:24,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:26,307 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:26,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:26,424 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:26,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:26,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:26,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:26,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:02:26,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:26,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:26,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:30,736 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:30,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:30,863 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:30,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:30,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:30,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:30,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:30,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:30,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:30,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:32,827 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:32,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:32,952 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:32,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:32,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:32,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:33,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:33,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:33,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:33,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:34,953 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:34,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:35,065 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:35,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:35,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:35,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:35,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:35,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:35,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:35,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:35,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:35,375 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:35,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:35,497 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:02:35,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:02:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:35,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:35,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:35,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:35,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:35,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:35,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:35,814 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:35,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:35,934 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:02:35,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:02:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:35,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:35,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:36,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:02:36,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:36,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:36,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:42,528 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:02:42,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:02:42,609 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:02:42,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:02:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:42,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:42,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:42,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:42,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:42,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:42,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:44,812 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:44,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:44,936 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:44,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:44,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:44,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:44,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:45,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:02:45,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:45,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:45,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:47,111 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:47,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:47,230 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:47,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:47,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:47,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:47,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:47,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:47,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:47,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:47,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:49,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:49,174 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:49,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:49,352 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:49,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:49,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:49,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:49,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:02:49,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:49,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:49,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:51,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:51,476 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:51,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:51,601 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:02:51,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:02:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:02:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:02:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:02:51,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:51,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:51,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:02:51,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:51,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:02:51,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:02:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:02:57,843 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:02:57,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:02:57,977 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:02:57,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:02:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:09,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:09,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:09,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:09,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:09,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:09,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:09,841 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:09,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:09,977 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:09,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:10,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:10,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:10,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:10,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:10,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:10,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:10,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:10,329 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:10,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:10,490 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:10,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:10,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:10,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:10,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:10,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:10,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:10,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:10,819 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:10,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:10,949 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:10,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:10,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:10,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:11,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:11,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:11,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:11,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:11,293 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:11,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:11,420 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:11,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:11,453 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:11,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:11,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:11,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:03:11,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:11,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:11,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:16,954 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:16,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:17,084 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:17,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:17,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:17,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:17,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:17,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:17,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:17,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:19,149 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:19,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:19,306 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:19,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:19,345 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:19,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:19,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:19,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:19,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:19,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:19,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:21,262 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:21,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:21,394 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:21,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:21,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:21,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:21,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:21,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:21,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:21,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:23,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:23,377 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:23,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:23,512 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:23,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:23,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:23,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:23,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:23,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:23,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:23,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:25,477 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:25,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:25,611 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:25,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:25,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:25,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:25,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:25,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:25,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:25,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:27,494 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:27,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:27,618 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:27,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:27,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:27,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:27,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:27,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:27,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:27,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:29,618 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:29,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:29,745 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:29,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:29,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:29,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:29,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:29,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:29,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:29,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:31,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:31,658 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:31,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:31,794 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:31,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:31,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:31,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:31,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:31,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:31,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:31,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:33,760 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:33,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:33,915 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:33,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:33,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:33,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:33,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:33,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:33,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:34,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:03:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:35,810 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:35,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:35,938 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:35,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:35,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:35,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:36,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:36,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:36,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:36,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:36,280 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:36,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:36,416 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:36,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:36,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:36,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:36,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:36,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:36,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:36,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:38,381 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:38,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:38,522 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:38,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:38,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:38,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:38,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:03:38,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:38,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:38,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:42,944 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:42,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:43,076 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:43,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:43,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:43,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:43,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:43,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:43,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:43,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:43,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:43,409 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:43,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:43,557 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:43,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:43,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:43,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:43,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:43,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:43,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:43,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:43,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:43,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:45,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:45,472 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:45,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:45,611 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:45,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:45,644 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:45,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:45,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:45,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:45,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:45,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:45,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:47,513 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:47,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:47,651 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:47,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:47,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:47,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:47,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:47,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:47,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:47,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:49,553 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:49,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:49,675 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:49,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:49,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:49,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:49,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:03:49,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:49,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:49,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:53,960 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:53,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:54,100 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:54,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:54,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:54,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:54,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:54,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:54,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:54,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:54,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:54,448 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:54,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:54,568 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:54,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:54,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:54,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:54,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:54,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:54,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:54,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:56,487 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:56,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:56,618 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:56,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:56,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:56,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:56,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:03:56,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:56,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:56,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:56,948 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:56,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:57,103 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:03:57,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:03:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:57,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:57,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:57,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:57,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:57,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:57,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:03:59,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:03:59,094 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:03:59,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:03:59,250 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:03:59,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:03:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:03:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:03:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:03:59,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:59,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:59,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:03:59,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:59,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:03:59,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:01,179 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:01,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:01,323 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:01,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:01,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:01,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:01,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:01,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:01,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:01,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:03,290 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:03,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:03,446 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:03,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:03,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:03,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:03,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:03,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:04:03,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:03,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:03,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:07,801 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:07,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:07,943 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:07,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:07,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:07,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:08,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:08,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:08,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:08,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:09,902 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:09,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:10,045 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:10,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:10,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:10,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:10,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:10,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:10,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:10,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:12,047 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:12,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:12,189 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:12,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:12,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:12,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:12,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:12,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:12,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:12,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:14,236 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:14,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:14,391 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:14,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:14,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:14,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:14,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:14,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:14,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:14,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:16,367 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:16,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:16,516 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:16,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:16,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:16,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:16,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:16,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:16,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:16,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:18,494 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:18,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:18,622 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:18,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:18,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:18,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:18,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:18,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:18,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:20,602 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:20,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:20,760 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:20,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:20,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:20,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:20,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:04:20,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:20,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:20,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:25,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:25,158 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:25,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:25,310 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:25,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:25,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:25,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:25,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:25,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:25,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:25,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:25,643 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:25,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:25,793 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:04:25,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:04:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:25,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:25,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:25,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:25,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:25,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:25,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:27,800 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:27,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:27,950 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:27,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:27,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:27,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:28,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:28,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:28,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:28,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:28,299 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:28,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:28,430 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:04:28,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:04:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:28,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:28,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:28,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:28,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:28,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:28,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:30,459 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:30,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:30,645 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:30,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:30,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:30,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:30,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:30,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:30,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:30,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:04:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:32,628 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:32,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:32,787 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:32,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:32,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:32,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:32,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:32,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:32,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:32,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:32,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:34,698 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:34,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:34,848 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:34,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:34,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:34,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:34,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:34,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:34,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:34,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:36,776 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:36,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:36,944 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:36,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:36,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:36,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:37,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:37,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:37,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:37,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:38,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:38,813 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:38,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:38,981 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:38,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:39,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:39,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:39,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:39,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:39,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:39,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:04:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:40,981 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:40,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:41,145 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:41,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:41,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:41,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:41,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:41,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:04:41,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:41,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:41,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:45,412 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:45,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:45,544 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:45,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:45,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:45,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:45,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:45,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:45,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:45,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:47,740 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:47,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:47,868 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:47,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:47,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:47,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:47,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:47,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:47,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:47,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:49,908 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:49,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:50,053 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:50,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:50,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:50,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:50,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:50,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:50,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:50,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:52,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:52,134 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:52,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:52,292 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:52,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:52,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:52,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:52,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:52,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:52,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:52,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:54,477 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:54,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:54,623 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:54,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:54,657 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:54,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:54,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:54,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:54,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:54,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:54,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:56,663 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:56,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:56,827 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:56,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:56,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:56,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:56,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:56,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:04:56,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:56,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:56,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:04:58,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:04:58,858 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:04:58,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:04:59,018 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:04:59,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:04:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:04:59,052 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:04:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:04:59,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:59,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:59,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:04:59,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:04:59,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:04:59,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:00,978 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:00,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:01,138 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:01,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:01,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:01,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:01,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:05:01,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:01,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:01,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:05,379 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:05,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:05,508 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:05,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:05,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:05,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:05,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:05:05,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:05,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:05,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:05,818 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:05,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:05,974 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:05:05,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:05:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:06,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:06,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:06,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:06,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:06,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:06,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:08,063 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:08,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:08,236 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:08,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:08,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:08,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:08,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:08,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:08,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:08,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:10,176 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:10,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:10,349 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:10,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:10,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:10,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:10,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:10,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:10,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:10,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:12,413 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:12,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:12,594 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:12,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:12,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:12,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:12,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:05:12,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:12,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:12,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:12,933 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:12,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:13,107 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-13 22:05:13,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-13 22:05:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:13,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:13,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:13,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:13,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:13,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:13,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:15,273 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:15,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:15,438 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:15,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:15,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:15,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:15,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:15,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:15,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:15,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:17,403 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:17,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:17,585 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:17,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:17,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:17,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:17,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:17,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:17,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:17,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:19,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:19,538 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:19,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:19,695 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:19,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:19,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:19,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:19,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:19,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:19,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:19,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:21,712 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:21,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:21,875 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:21,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:21,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:21,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:21,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:05:21,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:21,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:21,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:05:23,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:23,805 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:23,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:23,976 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:23,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:24,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:24,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:24,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:05:24,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:24,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:24,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:05:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:25,966 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:25,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:26,103 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:26,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:26,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:26,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:26,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:26,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:26,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:26,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:26,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:26,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:28,051 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:28,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:28,227 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:28,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:28,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:28,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:28,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:28,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:28,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:05:28,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:28,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:28,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:32,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:32,579 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:32,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:32,800 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:32,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:32,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:32,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:32,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:32,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:32,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:32,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:34,893 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:34,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:35,088 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:35,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:35,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:35,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:35,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:35,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:35,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:35,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:37,074 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:37,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:37,216 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:37,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:37,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:37,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:37,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:37,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:39,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:39,288 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:39,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:39,445 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:39,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:39,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:39,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:39,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:05:39,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:39,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:39,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:41,465 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:05:41,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:05:41,633 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:05:41,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:05:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:05:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:05:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:05:41,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:41,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:41,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:05:41,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:05:41,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:05:41,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:05:47,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:05:47,453 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:05:47,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:05:52,745 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:05:52,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:05:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:02,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:02,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:02,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:02,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:02,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:02,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:06:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:04,810 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:04,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:04,952 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:04,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:04,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:04,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:05,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:05,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:05,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:05,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:06,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:06,830 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:06,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:07,038 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:07,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:07,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:07,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:07,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:07,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:07,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:07,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:09,201 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:09,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:09,359 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:09,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:09,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:09,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:09,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:09,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:09,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:09,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:11,342 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:11,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:11,519 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:11,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:11,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:11,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:11,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:06:11,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:11,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:11,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:15,855 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:15,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:16,042 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:16,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:16,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:16,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:16,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:06:16,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:16,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:16,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:20,430 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:20,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:20,617 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:20,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:20,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:20,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:20,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:20,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:20,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:20,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:22,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:22,636 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:22,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:22,781 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:22,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:22,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:22,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:22,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:22,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:22,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:22,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:24,976 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:24,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:25,161 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:25,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:25,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:25,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:25,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:25,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:25,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:25,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:25,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:27,171 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:27,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:27,356 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:27,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:27,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:27,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:27,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:27,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:27,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:27,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:29,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:29,342 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:29,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:29,518 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:29,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:29,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:29,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:29,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:29,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:29,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:29,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:06:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:31,501 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:31,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:31,689 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:31,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:31,727 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:31,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:31,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:31,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:31,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:31,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:31,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:33,586 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:33,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:33,756 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:33,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:33,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:33,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:33,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:33,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:33,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:33,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:35,736 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:35,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:35,910 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:35,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:35,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:35,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:35,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:35,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:36,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:36,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:37,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:37,870 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:37,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:38,049 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:38,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:38,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:38,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:38,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:38,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:38,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:38,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:40,050 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:40,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:40,228 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:40,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:40,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:40,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:40,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:40,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:40,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:40,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:42,137 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:42,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:42,310 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:42,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:42,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:42,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:42,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:42,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:42,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:42,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:42,757 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:42,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:42,890 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:06:42,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:06:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:42,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:42,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:42,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:42,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:42,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:42,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:43,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:43,222 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:43,345 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:06:43,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:06:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:43,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:43,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:43,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:43,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:43,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:43,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:06:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:45,380 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:45,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:45,572 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:45,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:45,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:45,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:45,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:06:45,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:45,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:45,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:51,133 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:51,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:51,243 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:06:51,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:06:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:51,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:51,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:51,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:51,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:51,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:51,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:53,323 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:53,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:53,523 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:53,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:53,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:53,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:53,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:53,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:53,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:53,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:55,536 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:55,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:55,685 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:55,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:55,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:55,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:55,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:55,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:06:55,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:55,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:55,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:06:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:57,612 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:57,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:57,786 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:57,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:06:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:06:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:06:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:06:57,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:57,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:57,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:06:57,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:06:57,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:06:57,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:06:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:06:59,788 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:06:59,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:06:59,986 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:06:59,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:07:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:07:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:00,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:00,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:00,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:00,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:00,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:00,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:02,002 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:02,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:02,182 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:02,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:07:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:07:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:02,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:02,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:02,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:02,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:02,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:02,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:04,114 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:04,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:04,306 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:04,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2021-11-13 22:07:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2021-11-13 22:07:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:04,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:04,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:04,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:07:04,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:04,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:04,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:04,687 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:04,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:04,810 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:07:04,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:07:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:05,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:05,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:06,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:06,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:06,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:06,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:08,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:08,040 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:08,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:08,206 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:08,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:08,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:08,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:08,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:08,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:08,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:08,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:10,126 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:10,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:10,286 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:10,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:10,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:10,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:10,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:10,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:10,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:10,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:12,204 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:12,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:12,415 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:12,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:12,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:12,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:12,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:12,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:12,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:12,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:14,499 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:14,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:14,692 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:14,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:14,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:14,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:14,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:14,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:14,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:14,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:16,621 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:16,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:16,818 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:16,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:16,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:16,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:16,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:16,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:16,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:16,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:18,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:18,793 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:18,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:18,985 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:18,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:19,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:19,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:19,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:19,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:19,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:19,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:20,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:20,984 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:20,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:21,162 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:21,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:21,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:21,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:21,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:07:21,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:21,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:21,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:21,519 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:21,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:21,630 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:07:21,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:07:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:21,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:21,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:21,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:21,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:21,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:21,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:21,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:23,557 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:23,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:23,764 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:23,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:23,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:23,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:23,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:23,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:23,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:23,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:23,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,671 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:25,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:25,862 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:25,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:25,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:25,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:25,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:25,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:25,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:25,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,822 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:27,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:28,022 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:28,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:28,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:28,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:28,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:07:28,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:28,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:28,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:28,407 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:28,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:28,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:07:28,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:07:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:28,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:28,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:28,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:07:28,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:28,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:28,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:34,258 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:07:34,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:07:34,349 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:07:34,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:07:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:34,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:34,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:34,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:07:34,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:34,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:34,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:38,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:38,738 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:38,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:38,939 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:38,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:38,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:38,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:39,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:39,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:39,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:39,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:40,949 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:40,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:41,147 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:41,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:41,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:41,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:41,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:07:41,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:41,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:41,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:43,106 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:43,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:43,319 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:43,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:43,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:43,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:43,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:07:43,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:43,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:43,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:45,378 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:45,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:45,547 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:45,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:45,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:45,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:45,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:45,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:45,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:45,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:47,496 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:47,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:47,705 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:47,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:47,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:47,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:47,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:47,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:47,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:47,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:49,754 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:49,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:49,930 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:49,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:49,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:49,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:49,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:07:49,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:50,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:50,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:55,535 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:55,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:55,640 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:07:55,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:07:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:55,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:55,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:55,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:07:55,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:55,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:55,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:57,612 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:57,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:07:57,811 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:07:57,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:07:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:07:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:07:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:07:57,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:57,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:57,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:07:57,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:07:57,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:07:57,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:07:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:59,827 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:07:59,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:00,026 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:00,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:00,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:00,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:00,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:00,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:00,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:00,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:01,965 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:01,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:02,165 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:02,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:02,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:02,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:02,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:02,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:02,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:02,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:04,177 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:04,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:04,389 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:04,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:04,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:04,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:04,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:04,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:04,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:04,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:04,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:04,760 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:04,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:04,900 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:08:04,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:08:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:04,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:04,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:04,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:04,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:04,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:04,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:06,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:06,852 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:06,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:07,058 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:07,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:07,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:07,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:07,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:07,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:07,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:07,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:09,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:09,164 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:09,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:09,374 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:09,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:09,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:09,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:09,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:09,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:09,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:09,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:11,342 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:11,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:11,582 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:11,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:11,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:11,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:11,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:11,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:11,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:11,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:13,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:13,658 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:13,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:13,842 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:13,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:13,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:13,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:13,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:13,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:13,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:13,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:14,203 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:14,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:14,330 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:08:14,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:08:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:14,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:14,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:14,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:08:14,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:14,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:14,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:18,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:18,680 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:18,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:18,893 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:18,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:18,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:18,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:18,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:18,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:18,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:18,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:08:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:20,951 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:20,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:21,115 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:21,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:21,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:21,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:21,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:21,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:21,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:21,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:23,129 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:23,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:23,333 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:23,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:23,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:23,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:23,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:23,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:23,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:23,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:23,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:25,344 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:25,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:25,563 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:25,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:25,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:25,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:25,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:25,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:25,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:27,553 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:27,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:27,790 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:27,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:27,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:27,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:27,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:27,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:27,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:27,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:29,762 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:29,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:29,976 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:29,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:30,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:30,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:30,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:30,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:30,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:30,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:31,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:31,924 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:31,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:32,086 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:32,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:32,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:32,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:32,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:32,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:32,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:32,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:34,239 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:34,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:34,449 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:34,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:34,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:34,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:34,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:34,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:34,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:34,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:34,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:36,432 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:36,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:36,655 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:36,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:36,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:36,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:36,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:36,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:36,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:36,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:36,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:38,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:38,647 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:38,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:38,857 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:38,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:38,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:38,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:38,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:38,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:38,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:38,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:40,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:40,800 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:40,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:41,024 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:41,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:41,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:41,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:41,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:08:41,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:41,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:41,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:45,448 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:45,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:45,667 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:45,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:45,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:45,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:45,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:45,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:45,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:45,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:45,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:47,628 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:47,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:47,842 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:47,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:47,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:47,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:47,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:47,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:47,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:47,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:49,769 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:49,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:49,977 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:49,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:50,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:50,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:50,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:50,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:50,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:50,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:51,996 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:51,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:52,211 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:52,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:52,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:52,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:52,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:52,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:52,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:52,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:08:54,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:54,143 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:54,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:54,360 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:54,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:54,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:54,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:54,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:54,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:54,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:54,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:56,399 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:56,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:56,622 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:56,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:56,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:56,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:56,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:56,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:58,676 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:58,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:58,867 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:08:58,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:08:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:58,900 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:58,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:58,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:58,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:08:58,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:58,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:58,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:08:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:08:59,228 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:08:59,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:08:59,338 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:08:59,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:08:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:08:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:08:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:08:59,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:59,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:59,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:08:59,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:08:59,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:08:59,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:01,296 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:01,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:01,505 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:01,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:01,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:01,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:01,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:09:01,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:01,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:01,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:05,957 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:05,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:06,168 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:06,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:06,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:06,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:06,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:06,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:06,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:06,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:08,229 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:08,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:08,451 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:08,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:08,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:08,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:08,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:08,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:08,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:08,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:10,449 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:10,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:10,622 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:10,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:10,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:10,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:10,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:10,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:10,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:10,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:12,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:12,552 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:12,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:12,764 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:12,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:12,814 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:12,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:12,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:12,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:12,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:12,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:12,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:14,885 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:14,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:15,122 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:15,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:15,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:15,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:15,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:15,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:15,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:15,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:17,028 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:17,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:17,255 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:17,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:17,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:17,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:17,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:17,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:17,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:17,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:17,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:19,265 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:19,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:19,509 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:19,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:19,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:19,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:19,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:19,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:19,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:19,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:21,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:21,538 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:21,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:21,752 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:21,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:21,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:21,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:21,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:21,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:21,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:21,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:23,707 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:23,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:23,925 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:23,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:23,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:23,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:23,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:23,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:24,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:24,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:09:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:25,937 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:25,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:26,167 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:26,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2021-11-13 22:09:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2021-11-13 22:09:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:26,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:26,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:26,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:26,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:26,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:26,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:28,266 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:28,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:28,493 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:28,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:28,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:28,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:28,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:28,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:28,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:28,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:30,538 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:30,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:30,739 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:30,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:30,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:30,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:30,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:30,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:30,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:30,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:32,744 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:32,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:32,927 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:32,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:32,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:32,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:32,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:32,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:33,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:33,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:34,872 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:34,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:35,081 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:35,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:35,117 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:35,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:35,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:35,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:35,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:35,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:35,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:09:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:37,137 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:37,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:37,371 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:37,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:37,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:37,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:37,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:37,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:37,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:37,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:37,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:39,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:39,282 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:39,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:39,507 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:39,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:39,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:39,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:39,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:39,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:39,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:39,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:09:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:41,557 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:41,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:41,808 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:41,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:41,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:41,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:41,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:41,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:41,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:41,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 22:09:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:43,815 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:43,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:44,047 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:44,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:44,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:44,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:09:44,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:44,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:44,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:44,384 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:44,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:44,511 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:09:44,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:09:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:44,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:44,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:44,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:44,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:44,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:44,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:44,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:46,456 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:46,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:46,649 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:46,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:46,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:46,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:46,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:46,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:46,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:48,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:48,707 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:48,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:48,948 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:48,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:48,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:48,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:49,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:49,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:49,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:49,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:50,959 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:50,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:51,180 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:51,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:51,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:51,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:51,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:51,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:51,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:51,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:53,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:53,158 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:53,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:53,397 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:53,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:53,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:53,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:53,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:53,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:53,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:53,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:55,363 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:55,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:55,591 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:55,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:55,625 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:55,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:55,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:55,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:55,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:55,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:55,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:57,495 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:57,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:57,658 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:57,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:57,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:57,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:57,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:57,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:57,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:09:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:09:59,481 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:09:59,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:09:59,647 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:09:59,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:09:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:09:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:09:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:09:59,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:59,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:59,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:09:59,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:09:59,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:01,455 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:01,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:01,628 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:01,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:01,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:01,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:01,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:01,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:01,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:01,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:01,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:03,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:03,482 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:03,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:03,650 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:03,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:03,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:03,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:03,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:03,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:03,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:03,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:05,547 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:05,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:05,719 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:05,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:05,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:05,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:05,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:05,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:05,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:05,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:05,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:05,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:07,629 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:07,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:07,786 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:07,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:07,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:07,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:07,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:07,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:07,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:07,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:09,694 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:09,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:09,863 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:09,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:09,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:09,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:09,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:10:09,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:09,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:09,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:11,827 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:11,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:11,995 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:11,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:12,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:12,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:12,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:12,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:12,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:12,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:13,888 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:13,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:14,067 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:14,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:14,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:14,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:14,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:10:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:14,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:14,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:20,407 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-13 22:10:20,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-13 22:10:20,487 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:10:20,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:10:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:20,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:20,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:20,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:20,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:20,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:20,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:22,359 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:22,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:22,537 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:22,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:22,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:22,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:22,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:10:22,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:22,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:22,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:22,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:22,849 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:22,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:22,951 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:10:22,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:10:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:22,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:22,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:23,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:23,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:23,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:23,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:24,764 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:24,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:24,939 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:24,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:24,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:24,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:24,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:24,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:25,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:25,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:26,826 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:26,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:26,992 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:26,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:27,039 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:27,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:27,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:27,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:27,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:27,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:27,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:28,908 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:28,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:29,080 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:29,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:29,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:29,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:29,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:29,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:29,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:29,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:30,981 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:30,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:31,155 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:31,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:31,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:31,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:31,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:31,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:31,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:31,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:32,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:33,003 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:33,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:33,167 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:33,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:33,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:33,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:33,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:10:33,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:33,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:33,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:33,487 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:33,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:33,592 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:10:33,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:10:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:33,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:33,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:33,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:33,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:33,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:35,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:35,424 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:35,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:35,607 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:35,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:35,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:35,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:35,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:35,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:35,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:35,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:37,453 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:37,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:37,632 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:37,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:37,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:37,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:37,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:10:37,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:37,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:37,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:41,863 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:41,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:42,034 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:42,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:42,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:42,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:42,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:42,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:10:42,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:42,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:42,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:46,234 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:46,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:46,430 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:46,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:46,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:46,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:46,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:46,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:46,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:46,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:48,336 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:48,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:48,546 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:48,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:48,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:48,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:48,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:48,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:48,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:48,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:50,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:50,440 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:50,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:50,622 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:50,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:50,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:50,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:50,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:50,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:50,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:50,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:52,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:52,471 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:52,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:52,652 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:10:52,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:10:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:52,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:52,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:52,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:10:52,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:52,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:52,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:10:58,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:10:58,126 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:10:58,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:10:58,287 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:10:58,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:10:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:10:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:10:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:10:58,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:58,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:58,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:10:58,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:58,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:10:58,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:00,250 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:00,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:00,460 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:00,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:00,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:00,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:00,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:00,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:00,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:00,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:02,441 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:02,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:02,650 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:02,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:02,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:02,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:02,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:02,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:02,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:02,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:04,610 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:04,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:04,814 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:04,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:04,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:04,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:04,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:04,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:04,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:04,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:06,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:06,831 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:06,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:07,032 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:07,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:07,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:07,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:07,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:07,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:07,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:07,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:08,915 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:08,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:09,110 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:09,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:09,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:09,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:09,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:09,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:09,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:09,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:09,453 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:09,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:09,580 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:11:09,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:11:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:09,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:09,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:09,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:09,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:09,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:09,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:11,443 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:11,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:11,667 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:11,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:11,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:11,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:11,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:11:11,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:11,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:11,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:17,177 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:17,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:17,307 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:11:17,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:11:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:17,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:17,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:17,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:17,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:17,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:17,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:19,193 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:19,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:19,412 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:19,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:19,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:19,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:19,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:19,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:19,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:19,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:21,317 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:21,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:21,564 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:21,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:21,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:21,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:21,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:21,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:21,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:21,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:23,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:23,447 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:23,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:23,642 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:23,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:23,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:23,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:23,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:11:23,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:23,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:23,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:28,071 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:28,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:28,291 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:28,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:28,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:28,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:28,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:28,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:28,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:28,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:30,213 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:30,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:30,456 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:30,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:30,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:30,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:30,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:30,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:30,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:30,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:32,397 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:32,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:32,627 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:32,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:32,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:32,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:32,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:32,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:32,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:32,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:34,602 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:34,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:34,832 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:34,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:34,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:34,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:34,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:34,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:34,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:34,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:35,226 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:35,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:35,359 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:11:35,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:11:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:35,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:35,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:35,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:35,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:35,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:35,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:35,734 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:35,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:35,854 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:11:35,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:11:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:35,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:35,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:35,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:35,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:35,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:35,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:35,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:36,217 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:36,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:36,371 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:11:36,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:11:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:36,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:36,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:36,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:36,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:11:36,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:36,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:36,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:38,278 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:38,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:38,519 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:38,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:38,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:38,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:38,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:11:38,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:38,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:38,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:38,867 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:38,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:38,992 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-13 22:11:38,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-13 22:11:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:39,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:39,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:39,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:11:39,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:39,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 22:11:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:11:43,438 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-13 22:11:43,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-13 22:11:43,701 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 22:11:43,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-13 22:11:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2021-11-13 22:11:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2021-11-13 22:11:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:11:43,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:43,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:43,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:11:43,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:43,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 22:11:43,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15