./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:25:07,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:25:07,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:25:07,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:25:07,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:25:07,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:25:07,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:25:07,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:25:07,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:25:07,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:25:07,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:25:07,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:25:07,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:25:07,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:25:07,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:25:07,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:25:07,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:25:07,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:25:07,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:25:07,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:25:07,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:25:07,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:25:07,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:25:07,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:25:07,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:25:07,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:25:07,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:25:07,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:25:07,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:25:07,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:25:07,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:25:07,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:25:07,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:25:07,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:25:07,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:25:07,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:25:07,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:25:07,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:25:07,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:25:07,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:25:07,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:25:07,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:25:07,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:25:07,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:25:07,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:25:07,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:25:07,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:25:07,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:25:07,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:25:07,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:25:07,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:25:07,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:25:07,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:25:07,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:25:07,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:25:07,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:25:07,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:25:07,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:25:07,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:25:07,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:25:07,951 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:25:07,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:25:07,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:25:07,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:07,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:25:07,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:25:07,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:25:07,954 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:25:07,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:25:07,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:25:07,954 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_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2021-11-23 01:25:08,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:25:08,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:25:08,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:25:08,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:25:08,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:25:08,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/eqn3.c [2021-11-23 01:25:08,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/data/f6b00b8e4/576e2c0145494987a9b67caa1f7d7a18/FLAG0dd91cce5 [2021-11-23 01:25:09,096 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:25:09,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/sv-benchmarks/c/array-fpi/eqn3.c [2021-11-23 01:25:09,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/data/f6b00b8e4/576e2c0145494987a9b67caa1f7d7a18/FLAG0dd91cce5 [2021-11-23 01:25:09,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/data/f6b00b8e4/576e2c0145494987a9b67caa1f7d7a18 [2021-11-23 01:25:09,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:25:09,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:25:09,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:09,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:25:09,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:25:09,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4942b6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09, skipping insertion in model container [2021-11-23 01:25:09,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:25:09,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:25:09,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2021-11-23 01:25:09,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:09,724 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:25:09,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2021-11-23 01:25:09,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:09,767 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:25:09,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09 WrapperNode [2021-11-23 01:25:09,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:09,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:09,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:25:09,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:25:09,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,817 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-11-23 01:25:09,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:09,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:25:09,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:25:09,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:25:09,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:25:09,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:25:09,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:25:09,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:25:09,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:09" (1/1) ... [2021-11-23 01:25:09,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:09,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:25:09,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:25:09,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50601ea-2f05-4416-81ac-eee5cdeb5f5d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:25:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:25:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:25:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:25:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:25:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:25:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:25:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:25:10,060 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:25:10,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:25:10,248 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:25:10,293 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:25:10,294 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:25:10,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:10 BoogieIcfgContainer [2021-11-23 01:25:10,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:25:10,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:25:10,299 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:25:10,312 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:25:10,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:10" (1/1) ... [2021-11-23 01:25:10,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:25:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 01:25:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 01:25:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:25:10,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:10,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:10,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:25:10,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:10,775 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:10,777 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-11-23 01:25:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-11-23 01:25:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:25:11,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:25:11,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2021-11-23 01:25:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2021-11-23 01:25:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:25:11,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:25:11,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:12,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2021-11-23 01:25:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2021-11-23 01:25:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:25:12,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:12,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:12,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:25:12,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:12,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:12,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:12,723 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:12,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:12,962 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:12,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 23 states and 60 transitions. [2021-11-23 01:25:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 60 transitions. [2021-11-23 01:25:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:25:14,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 27 states and 67 transitions. [2021-11-23 01:25:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 67 transitions. [2021-11-23 01:25:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:25:14,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 30 states and 76 transitions. [2021-11-23 01:25:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 76 transitions. [2021-11-23 01:25:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:25:16,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:16,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:16,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:25:16,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:16,259 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:16,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:16,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:16,499 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-23 01:25:16,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 320 [2021-11-23 01:25:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:16,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 64 [2021-11-23 01:25:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 89 [2021-11-23 01:25:16,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,766 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:16,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 126 treesize of output 72 [2021-11-23 01:25:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:16,930 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:16,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 46 [2021-11-23 01:25:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,222 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 01:25:17,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 60 [2021-11-23 01:25:17,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:17,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:17,407 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-23 01:25:17,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 93 treesize of output 72 [2021-11-23 01:25:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 35 states and 93 transitions. [2021-11-23 01:25:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 93 transitions. [2021-11-23 01:25:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:25:20,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:20,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:20,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:25:20,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2021-11-23 01:25:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2021-11-23 01:25:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:22,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:22,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:22,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:22,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:22,611 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 [2021-11-23 01:25:22,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:22,698 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:22,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:22,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:22,956 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:22,957 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:23,401 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:23,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 44 states and 132 transitions. [2021-11-23 01:25:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 132 transitions. [2021-11-23 01:25:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:25,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:25,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:25,774 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:25,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:25,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:25,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:25,813 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:25,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:25,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:25,961 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:25,961 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:26,205 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:26,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2021-11-23 01:25:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2021-11-23 01:25:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:26,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:26,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:26,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:26,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:26,343 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:26,344 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:26,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:26,406 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:26,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:26,507 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:26,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:26,867 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:26,867 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 74 treesize of output 38 [2021-11-23 01:25:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:28,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 158 transitions. [2021-11-23 01:25:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 158 transitions. [2021-11-23 01:25:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:28,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:28,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:28,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:28,737 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:28,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:28,747 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 [2021-11-23 01:25:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:28,768 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:28,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:28,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:28,914 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:28,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:29,158 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:29,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 50 states and 159 transitions. [2021-11-23 01:25:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 159 transitions. [2021-11-23 01:25:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:29,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:29,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:29,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:29,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:29,323 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:29,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:29,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:29,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:29,354 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:29,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:29,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:29,500 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:29,501 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:29,733 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:29,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 51 states and 160 transitions. [2021-11-23 01:25:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 160 transitions. [2021-11-23 01:25:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:29,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:29,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:29,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:29,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:29,841 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 [2021-11-23 01:25:29,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:29,914 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:29,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:29,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:29,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:29,962 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:29,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:30,080 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:30,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 52 states and 161 transitions. [2021-11-23 01:25:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 161 transitions. [2021-11-23 01:25:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:30,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:30,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:30,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:30,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:30,327 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:30,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:30,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:30,467 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:30,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:30,716 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:30,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 53 states and 162 transitions. [2021-11-23 01:25:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 162 transitions. [2021-11-23 01:25:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:30,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:30,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:30,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:30,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:30,897 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:30,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:30,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:30,951 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:30,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:31,061 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:31,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 54 states and 163 transitions. [2021-11-23 01:25:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 163 transitions. [2021-11-23 01:25:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:31,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:31,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:31,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:31,191 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:31,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:31,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:31,223 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:31,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:31,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:31,368 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:31,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:31,621 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:31,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 55 states and 164 transitions. [2021-11-23 01:25:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 164 transitions. [2021-11-23 01:25:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:31,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:31,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:31,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:31,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:31,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:31,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:31,816 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:31,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:31,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:31,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:31,868 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:31,868 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:32,155 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:32,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 56 states and 165 transitions. [2021-11-23 01:25:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 165 transitions. [2021-11-23 01:25:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:32,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:32,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:32,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:32,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:32,274 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:32,274 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:32,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:32,304 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:32,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:32,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:32,450 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:32,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:32,694 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:32,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 57 states and 166 transitions. [2021-11-23 01:25:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 166 transitions. [2021-11-23 01:25:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:32,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:32,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:32,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:32,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:32,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:32,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:32,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:32,858 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:32,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:32,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:32,983 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:32,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:33,251 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:33,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:33,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 58 states and 167 transitions. [2021-11-23 01:25:33,281 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 167 transitions. [2021-11-23 01:25:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:33,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:33,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:33,364 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:33,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:33,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:33,418 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:33,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:33,507 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:33,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:33,697 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:33,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:25:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 60 states and 176 transitions. [2021-11-23 01:25:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 176 transitions. [2021-11-23 01:25:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:34,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:34,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:34,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:34,476 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:34,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:34,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:34,512 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:34,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:34,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:34,637 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:34,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:34,897 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:34,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 61 states and 177 transitions. [2021-11-23 01:25:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 177 transitions. [2021-11-23 01:25:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:34,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:34,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:34,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:34,998 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:34,998 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:35,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:35,028 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:35,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:35,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:35,079 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:35,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:35,347 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:35,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2021-11-23 01:25:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2021-11-23 01:25:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:35,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:35,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:35,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:35,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:35,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:35,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:35,525 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:35,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:35,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:35,652 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:35,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:35,888 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:35,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2021-11-23 01:25:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2021-11-23 01:25:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:35,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:35,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:35,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:35,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:35,993 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:35,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:36,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:36,060 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:36,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:36,152 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:36,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:36,370 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:36,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:25:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 180 transitions. [2021-11-23 01:25:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 180 transitions. [2021-11-23 01:25:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:36,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:36,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:36,470 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:36,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:36,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:36,502 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:36,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:36,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:36,631 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:36,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:36,851 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:36,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 65 states and 181 transitions. [2021-11-23 01:25:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 181 transitions. [2021-11-23 01:25:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:36,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:36,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:36,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:36,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:36,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:37,041 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:37,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:37,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:37,183 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:37,184 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:37,453 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:37,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 66 states and 182 transitions. [2021-11-23 01:25:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 182 transitions. [2021-11-23 01:25:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:37,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:37,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:37,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:37,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:37,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:37,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:37,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:37,631 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:37,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:37,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:37,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:37,777 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:37,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:37,987 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:37,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 67 states and 183 transitions. [2021-11-23 01:25:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 183 transitions. [2021-11-23 01:25:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:38,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:38,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:38,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:38,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:38,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:38,173 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:38,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:38,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:38,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:38,328 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:38,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:38,588 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:38,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 68 states and 184 transitions. [2021-11-23 01:25:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 184 transitions. [2021-11-23 01:25:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:38,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:38,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:38,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:38,705 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:38,705 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:38,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:38,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:38,733 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:38,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:38,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:38,877 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:38,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:39,076 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 185 transitions. [2021-11-23 01:25:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 185 transitions. [2021-11-23 01:25:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:39,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:39,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:39,185 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:39,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:39,197 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 [2021-11-23 01:25:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:39,213 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:39,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:39,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:39,270 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:39,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:39,553 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:39,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 70 states and 186 transitions. [2021-11-23 01:25:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 186 transitions. [2021-11-23 01:25:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:39,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:39,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:39,662 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:39,662 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:39,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:39,687 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:39,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:39,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:39,803 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:39,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:40,019 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:40,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 71 states and 187 transitions. [2021-11-23 01:25:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 187 transitions. [2021-11-23 01:25:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:40,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:40,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:40,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:40,174 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:40,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:40,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:40,226 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:40,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:40,438 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:40,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 72 states and 188 transitions. [2021-11-23 01:25:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 188 transitions. [2021-11-23 01:25:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:40,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:40,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:40,604 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:40,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:40,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:40,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:40,719 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:40,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:40,912 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:40,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 73 states and 189 transitions. [2021-11-23 01:25:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 189 transitions. [2021-11-23 01:25:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:40,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:40,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:41,051 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:41,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:41,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:41,086 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:41,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:41,302 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:41,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:41,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 74 states and 190 transitions. [2021-11-23 01:25:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 190 transitions. [2021-11-23 01:25:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:41,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:41,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:41,402 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:41,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:41,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:41,430 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:41,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:41,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:41,485 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:41,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:41,696 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:41,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 75 states and 191 transitions. [2021-11-23 01:25:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2021-11-23 01:25:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:41,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:41,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:41,793 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 [2021-11-23 01:25:41,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:41,855 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:41,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:41,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:41,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:41,893 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:41,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:42,089 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:42,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 76 states and 192 transitions. [2021-11-23 01:25:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 192 transitions. [2021-11-23 01:25:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:42,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:42,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:42,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:42,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:42,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:42,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:42,258 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:42,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:42,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:42,305 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:42,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:42,530 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:42,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:42,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 77 states and 193 transitions. [2021-11-23 01:25:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 193 transitions. [2021-11-23 01:25:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:42,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:42,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:42,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:42,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:42,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:42,645 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:42,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:42,729 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:42,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:42,931 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:42,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:25:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 78 states and 194 transitions. [2021-11-23 01:25:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 194 transitions. [2021-11-23 01:25:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:42,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:43,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:43,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,040 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:43,041 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:43,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:43,068 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:43,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:43,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:43,109 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:43,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:43,295 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:43,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 79 states and 195 transitions. [2021-11-23 01:25:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 195 transitions. [2021-11-23 01:25:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:43,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:43,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:43,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,397 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:43,397 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:43,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:43,451 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:43,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:43,511 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:43,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:43,710 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:43,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:25:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 80 states and 196 transitions. [2021-11-23 01:25:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 196 transitions. [2021-11-23 01:25:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:43,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:43,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:43,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,805 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:43,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:43,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:43,828 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:43,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:43,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:43,899 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:43,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:44,098 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:44,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 81 states and 197 transitions. [2021-11-23 01:25:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 197 transitions. [2021-11-23 01:25:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:44,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:44,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:44,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:44,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:44,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:44,227 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:44,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:44,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:44,329 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:44,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:44,536 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:44,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 82 states and 198 transitions. [2021-11-23 01:25:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 198 transitions. [2021-11-23 01:25:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:44,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:44,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:44,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:44,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:44,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:44,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:44,698 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:44,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:44,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:44,804 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:44,805 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:45,008 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:45,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 83 states and 199 transitions. [2021-11-23 01:25:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 199 transitions. [2021-11-23 01:25:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:45,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:45,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:45,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:45,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:45,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:45,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:45,184 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:45,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:45,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:45,227 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:45,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:45,439 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:45,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 84 states and 200 transitions. [2021-11-23 01:25:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 200 transitions. [2021-11-23 01:25:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:45,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:45,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:45,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:45,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:45,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:45,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:45,611 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:45,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:45,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:45,754 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:45,754 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:45,990 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:45,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 85 states and 201 transitions. [2021-11-23 01:25:46,016 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 201 transitions. [2021-11-23 01:25:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:46,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:46,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:46,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:46,103 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:46,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:46,117 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 [2021-11-23 01:25:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:46,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:46,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:46,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:46,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:46,180 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:46,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:46,395 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:46,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 86 states and 202 transitions. [2021-11-23 01:25:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 202 transitions. [2021-11-23 01:25:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:46,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:46,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:46,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:46,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:46,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:46,532 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:46,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:46,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:46,569 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:46,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:46,769 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:46,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 87 states and 203 transitions. [2021-11-23 01:25:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 203 transitions. [2021-11-23 01:25:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:46,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:46,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:46,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:46,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:46,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:46,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:46,945 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:46,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:46,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:46,987 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:46,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:47,233 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:47,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 88 states and 204 transitions. [2021-11-23 01:25:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 204 transitions. [2021-11-23 01:25:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:47,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:47,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:47,335 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:47,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:47,349 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 [2021-11-23 01:25:47,385 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:47,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:47,486 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:47,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:47,735 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:47,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:25:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 89 states and 205 transitions. [2021-11-23 01:25:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 205 transitions. [2021-11-23 01:25:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:47,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:47,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:47,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:47,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:47,843 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:47,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:47,938 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:47,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:48,168 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:48,168 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 74 treesize of output 38 [2021-11-23 01:25:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 90 states and 206 transitions. [2021-11-23 01:25:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 206 transitions. [2021-11-23 01:25:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:48,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:48,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:48,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:48,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:48,255 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:48,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:48,278 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 [2021-11-23 01:25:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:48,292 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:48,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:48,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:48,410 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:48,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:48,636 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:48,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 91 states and 207 transitions. [2021-11-23 01:25:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 207 transitions. [2021-11-23 01:25:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:48,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:48,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:48,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:48,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:48,732 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:48,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:48,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:48,759 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:48,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:48,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:48,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:48,810 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:48,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:49,109 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:49,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 92 states and 208 transitions. [2021-11-23 01:25:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 208 transitions. [2021-11-23 01:25:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:49,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:49,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:49,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:49,212 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:49,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:49,224 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 [2021-11-23 01:25:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:49,246 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:49,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:49,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:49,403 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:49,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:49,525 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:49,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 93 states and 209 transitions. [2021-11-23 01:25:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 209 transitions. [2021-11-23 01:25:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:49,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:49,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:49,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:49,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:49,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:49,702 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:49,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:49,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:49,851 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:49,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:50,160 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:50,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 94 states and 210 transitions. [2021-11-23 01:25:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 210 transitions. [2021-11-23 01:25:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:50,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:50,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:50,277 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:50,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:50,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:50,313 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:50,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:50,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:50,439 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:50,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:50,697 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:50,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 95 states and 211 transitions. [2021-11-23 01:25:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 211 transitions. [2021-11-23 01:25:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:50,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:50,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:50,818 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:50,818 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:50,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:50,854 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:50,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:50,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:50,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:50,912 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:50,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:51,191 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:51,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 96 states and 212 transitions. [2021-11-23 01:25:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 212 transitions. [2021-11-23 01:25:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:51,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:51,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:51,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:51,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:51,271 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:51,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:51,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:51,298 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:51,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:51,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:51,340 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:51,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:51,598 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:51,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 97 states and 213 transitions. [2021-11-23 01:25:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 213 transitions. [2021-11-23 01:25:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:51,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:51,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:51,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:51,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:51,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:51,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:51,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:51,764 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:51,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:51,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:51,893 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:51,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:52,000 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:52,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 98 states and 214 transitions. [2021-11-23 01:25:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 214 transitions. [2021-11-23 01:25:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:52,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:52,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:52,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:52,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:52,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:52,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:52,177 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:52,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:52,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:52,327 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:52,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:52,591 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:52,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 99 states and 215 transitions. [2021-11-23 01:25:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 215 transitions. [2021-11-23 01:25:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:52,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:52,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:52,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:52,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:52,697 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:52,697 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:52,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:52,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:52,727 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:52,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:52,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:52,765 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:52,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:52,999 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:52,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 100 states and 216 transitions. [2021-11-23 01:25:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 216 transitions. [2021-11-23 01:25:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:53,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:53,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:53,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:53,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:53,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:53,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:53,131 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:53,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:53,194 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:25:53,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:25:53,430 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:25:53,430 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 74 treesize of output 38 [2021-11-23 01:25:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 101 states and 217 transitions. [2021-11-23 01:25:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 217 transitions. [2021-11-23 01:25:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:53,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:53,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:53,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:53,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:53,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:53,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:53,605 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:53,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:53,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:53,788 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:53,789 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:54,073 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:54,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 102 states and 218 transitions. [2021-11-23 01:25:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 218 transitions. [2021-11-23 01:25:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:54,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:54,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:25:54,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:54,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:54,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:54,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:54,629 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:25:54,630 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:25:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 107 states and 262 transitions. [2021-11-23 01:25:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 262 transitions. [2021-11-23 01:25:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:58,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:58,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:58,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:25:59,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:59,069 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:59,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:59,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:59,106 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:59,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:59,332 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:59,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 108 states and 263 transitions. [2021-11-23 01:25:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 263 transitions. [2021-11-23 01:25:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:59,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:59,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:59,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:59,442 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:25:59,442 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:25:59,457 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 [2021-11-23 01:25:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:59,473 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:25:59,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:25:59,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:25:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:59,607 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:25:59,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:25:59,829 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:25:59,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:25:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 109 states and 264 transitions. [2021-11-23 01:25:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 264 transitions. [2021-11-23 01:25:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:59,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:59,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:59,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:59,941 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:25:59,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:25:59,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:25:59,996 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:25:59,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:00,102 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:00,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:00,340 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:00,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 110 states and 265 transitions. [2021-11-23 01:26:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2021-11-23 01:26:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:00,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:00,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:00,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:00,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:00,477 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:00,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:00,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:00,515 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:00,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:00,750 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:00,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 111 states and 266 transitions. [2021-11-23 01:26:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 266 transitions. [2021-11-23 01:26:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:00,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:00,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:00,842 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 [2021-11-23 01:26:00,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:00,919 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:00,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:01,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:01,045 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:01,047 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:01,266 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:01,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 112 states and 267 transitions. [2021-11-23 01:26:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 267 transitions. [2021-11-23 01:26:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:01,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:01,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:01,404 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:01,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:01,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:01,524 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:01,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:01,719 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:01,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 113 states and 268 transitions. [2021-11-23 01:26:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 268 transitions. [2021-11-23 01:26:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:01,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,811 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:01,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:01,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:01,839 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:01,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:01,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:02,007 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:02,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:02,284 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:02,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 114 states and 269 transitions. [2021-11-23 01:26:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 269 transitions. [2021-11-23 01:26:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:02,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,376 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:02,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:02,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:02,417 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:02,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:02,495 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:02,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:02,678 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:02,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 115 states and 270 transitions. [2021-11-23 01:26:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 270 transitions. [2021-11-23 01:26:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:02,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:02,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:02,822 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:02,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:02,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:02,938 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:02,938 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:03,158 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:03,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 116 states and 271 transitions. [2021-11-23 01:26:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 271 transitions. [2021-11-23 01:26:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:03,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:03,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,241 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:03,241 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:03,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:03,262 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:03,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:03,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:03,378 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:03,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:03,595 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:03,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 117 states and 272 transitions. [2021-11-23 01:26:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 272 transitions. [2021-11-23 01:26:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:03,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:03,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:03,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:03,747 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:03,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:03,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:03,878 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:03,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:04,100 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:04,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 118 states and 273 transitions. [2021-11-23 01:26:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 273 transitions. [2021-11-23 01:26:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:04,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:04,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:04,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:04,182 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:04,183 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:04,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:04,205 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:04,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:04,330 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:04,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:04,535 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:04,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 119 states and 274 transitions. [2021-11-23 01:26:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 274 transitions. [2021-11-23 01:26:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:04,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:04,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:04,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:04,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:04,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:04,685 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:04,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:04,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:04,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:04,722 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:04,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:04,931 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:04,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 120 states and 275 transitions. [2021-11-23 01:26:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 275 transitions. [2021-11-23 01:26:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:04,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:05,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:05,032 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:05,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:05,153 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:05,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:05,366 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:05,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 121 states and 276 transitions. [2021-11-23 01:26:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 276 transitions. [2021-11-23 01:26:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:05,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:05,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:05,522 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:05,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:05,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:05,639 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:05,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:05,844 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:05,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 122 states and 277 transitions. [2021-11-23 01:26:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 277 transitions. [2021-11-23 01:26:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:05,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,946 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:05,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:05,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:05,973 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:05,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:06,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:06,014 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:06,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:06,242 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:06,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 123 states and 278 transitions. [2021-11-23 01:26:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 278 transitions. [2021-11-23 01:26:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:06,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:06,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:06,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:06,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:06,390 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:06,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:06,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:06,429 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:06,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:06,637 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:06,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 124 states and 279 transitions. [2021-11-23 01:26:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 279 transitions. [2021-11-23 01:26:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:06,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:06,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:06,749 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:06,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:06,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:06,774 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:06,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:06,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:06,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:06,906 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:06,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:07,148 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:07,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 125 states and 280 transitions. [2021-11-23 01:26:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 280 transitions. [2021-11-23 01:26:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:07,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:07,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:07,260 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:07,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:07,275 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 [2021-11-23 01:26:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:07,291 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:07,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:07,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:07,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:07,454 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:07,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:07,741 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:07,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 126 states and 281 transitions. [2021-11-23 01:26:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 281 transitions. [2021-11-23 01:26:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:07,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:07,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:07,827 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:07,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:07,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:07,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:07,851 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:07,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:07,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:07,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:07,978 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:07,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:08,196 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:08,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 127 states and 282 transitions. [2021-11-23 01:26:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 282 transitions. [2021-11-23 01:26:08,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:08,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:08,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:08,276 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:08,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:08,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:08,298 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:08,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:08,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:08,410 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:08,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:08,638 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:08,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 283 transitions. [2021-11-23 01:26:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 283 transitions. [2021-11-23 01:26:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:08,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:08,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:08,747 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:08,747 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:08,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:08,768 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:08,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:08,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:08,880 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:08,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:09,095 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:09,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 284 transitions. [2021-11-23 01:26:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 284 transitions. [2021-11-23 01:26:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:09,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:09,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:09,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:09,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:09,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:09,249 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:09,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:09,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:09,361 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:09,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:09,579 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:09,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 130 states and 285 transitions. [2021-11-23 01:26:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 285 transitions. [2021-11-23 01:26:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:09,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:09,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:09,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:09,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:09,768 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:09,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:09,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:09,914 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:09,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:10,114 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:10,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 131 states and 286 transitions. [2021-11-23 01:26:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 286 transitions. [2021-11-23 01:26:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:10,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:10,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:10,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:10,262 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:10,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:10,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:10,298 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:10,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:10,521 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:10,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 132 states and 287 transitions. [2021-11-23 01:26:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 287 transitions. [2021-11-23 01:26:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:10,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:10,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,600 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 [2021-11-23 01:26:10,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:10,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:10,807 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:26:10,807 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:26:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 133 states and 288 transitions. [2021-11-23 01:26:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 288 transitions. [2021-11-23 01:26:10,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:10,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:10,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,012 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:11,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:11,022 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 [2021-11-23 01:26:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:11,039 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:11,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:11,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:11,151 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:11,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:11,267 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:11,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 134 states and 289 transitions. [2021-11-23 01:26:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 289 transitions. [2021-11-23 01:26:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:11,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,339 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 [2021-11-23 01:26:11,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:11,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:11,405 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:11,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:11,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:11,440 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:11,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:11,646 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:11,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 135 states and 290 transitions. [2021-11-23 01:26:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 290 transitions. [2021-11-23 01:26:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:11,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,733 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:11,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:11,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:11,762 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:11,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:11,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:11,803 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:11,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:12,019 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:12,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 136 states and 291 transitions. [2021-11-23 01:26:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 291 transitions. [2021-11-23 01:26:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:12,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:12,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:12,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:12,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:12,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:12,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:12,180 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:12,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:12,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:12,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:12,296 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:12,296 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:12,531 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:12,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 137 states and 292 transitions. [2021-11-23 01:26:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 292 transitions. [2021-11-23 01:26:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:12,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:12,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:12,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:12,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:12,632 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:12,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:12,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:12,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:12,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:12,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:12,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:12,772 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:12,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:12,991 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:12,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 138 states and 293 transitions. [2021-11-23 01:26:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 293 transitions. [2021-11-23 01:26:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:13,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:13,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:13,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:13,143 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:13,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:13,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:13,179 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:13,179 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:13,388 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:13,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 139 states and 294 transitions. [2021-11-23 01:26:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 294 transitions. [2021-11-23 01:26:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:13,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:13,491 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 [2021-11-23 01:26:13,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:13,552 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:13,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:13,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:13,677 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:13,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:13,883 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:13,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 140 states and 295 transitions. [2021-11-23 01:26:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 295 transitions. [2021-11-23 01:26:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:13,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:13,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:13,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:14,030 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:14,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:14,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:14,168 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:14,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:14,377 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:14,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 141 states and 296 transitions. [2021-11-23 01:26:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 296 transitions. [2021-11-23 01:26:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:14,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:14,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:14,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,458 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:14,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:14,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:14,482 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:14,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:14,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:14,606 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:14,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:14,816 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:14,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 142 states and 297 transitions. [2021-11-23 01:26:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 297 transitions. [2021-11-23 01:26:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:14,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:14,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:14,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:14,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:14,930 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:14,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:14,983 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:14,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:15,178 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:15,178 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 74 treesize of output 38 [2021-11-23 01:26:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 143 states and 298 transitions. [2021-11-23 01:26:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 298 transitions. [2021-11-23 01:26:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:15,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:15,278 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:15,278 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:15,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:15,303 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:15,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:15,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:15,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:15,461 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:15,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:15,743 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 144 states and 299 transitions. [2021-11-23 01:26:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 299 transitions. [2021-11-23 01:26:15,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:15,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:15,841 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:15,841 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:15,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:15,881 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:15,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:15,934 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:15,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:16,152 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:16,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 145 states and 300 transitions. [2021-11-23 01:26:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 300 transitions. [2021-11-23 01:26:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:16,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:16,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,257 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:16,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:16,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:16,279 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:16,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:16,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:16,326 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:16,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:16,542 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:16,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 146 states and 301 transitions. [2021-11-23 01:26:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 301 transitions. [2021-11-23 01:26:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:16,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:16,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,660 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:16,660 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:16,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:16,701 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:16,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:16,780 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:16,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:16,977 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:16,977 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 74 treesize of output 38 [2021-11-23 01:26:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 147 states and 302 transitions. [2021-11-23 01:26:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 302 transitions. [2021-11-23 01:26:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:16,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,087 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:17,087 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:17,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:17,108 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:17,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:17,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:17,232 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:17,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:17,433 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:17,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 148 states and 303 transitions. [2021-11-23 01:26:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 303 transitions. [2021-11-23 01:26:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:17,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,529 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:17,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:17,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:17,571 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:17,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:17,655 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:17,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:17,850 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:17,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 149 states and 304 transitions. [2021-11-23 01:26:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 304 transitions. [2021-11-23 01:26:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:17,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:17,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:17,977 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:17,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:18,027 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:18,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:18,226 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:18,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 150 states and 305 transitions. [2021-11-23 01:26:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 305 transitions. [2021-11-23 01:26:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:18,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:18,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:18,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:18,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:18,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:18,371 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:18,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:18,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:18,485 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:18,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:18,707 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:18,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 151 states and 306 transitions. [2021-11-23 01:26:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 306 transitions. [2021-11-23 01:26:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:18,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:18,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:18,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:18,799 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:18,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:18,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:18,821 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:18,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:18,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:18,948 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:18,948 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:19,159 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:19,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 152 states and 307 transitions. [2021-11-23 01:26:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 307 transitions. [2021-11-23 01:26:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:19,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:19,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:19,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:19,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:19,234 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:19,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:19,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:19,255 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:19,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:19,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:19,385 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:19,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:19,604 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:19,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:19,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 153 states and 308 transitions. [2021-11-23 01:26:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 308 transitions. [2021-11-23 01:26:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:19,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:19,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:19,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:19,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:19,722 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:19,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:19,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:19,749 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:19,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:19,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:19,907 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:19,908 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:20,214 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:20,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 154 states and 309 transitions. [2021-11-23 01:26:20,231 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 309 transitions. [2021-11-23 01:26:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:20,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:20,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:20,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:20,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:20,311 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:20,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:20,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:20,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:20,333 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:20,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:20,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:20,368 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:20,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:20,585 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:20,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 155 states and 310 transitions. [2021-11-23 01:26:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 310 transitions. [2021-11-23 01:26:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:20,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:20,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:20,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:20,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:20,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:20,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:20,727 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:20,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:20,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:20,773 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:20,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:20,996 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:20,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 311 transitions. [2021-11-23 01:26:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2021-11-23 01:26:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:21,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:26:21,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:21,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:21,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:21,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:21,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:21,350 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:26:21,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:26:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 312 transitions. [2021-11-23 01:26:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2021-11-23 01:26:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:21,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:21,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:21,715 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:21,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:21,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:21,735 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:21,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:21,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:21,847 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:21,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:22,052 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:22,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 158 states and 313 transitions. [2021-11-23 01:26:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 313 transitions. [2021-11-23 01:26:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:22,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:22,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:22,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:22,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:22,142 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:22,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:22,221 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:22,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:22,419 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:22,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 314 transitions. [2021-11-23 01:26:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 314 transitions. [2021-11-23 01:26:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:22,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:22,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:22,526 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:22,526 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:22,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:22,547 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:22,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:22,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:22,676 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:22,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:22,895 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:22,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 160 states and 315 transitions. [2021-11-23 01:26:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 315 transitions. [2021-11-23 01:26:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:22,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:26:22,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:22,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:22,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:22,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:23,202 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:26:23,203 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:26:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 316 transitions. [2021-11-23 01:26:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2021-11-23 01:26:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:23,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:23,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:23,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:23,577 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:23,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:23,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:23,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:23,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:23,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:23,730 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:23,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:23,936 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:23,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 317 transitions. [2021-11-23 01:26:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 317 transitions. [2021-11-23 01:26:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:23,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:24,043 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:24,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:24,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:24,071 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:24,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:24,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:24,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:24,242 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:24,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:24,516 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:24,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:24,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 163 states and 318 transitions. [2021-11-23 01:26:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 318 transitions. [2021-11-23 01:26:24,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:24,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:24,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:24,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:24,711 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:24,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:24,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:24,827 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:24,827 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:25,034 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:25,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 164 states and 319 transitions. [2021-11-23 01:26:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 319 transitions. [2021-11-23 01:26:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:25,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:25,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:25,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:25,180 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:25,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:25,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:25,309 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:25,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:25,396 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:25,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 165 states and 320 transitions. [2021-11-23 01:26:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2021-11-23 01:26:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:25,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:25,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:25,496 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:25,581 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:25,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:25,778 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:25,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 166 states and 321 transitions. [2021-11-23 01:26:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 321 transitions. [2021-11-23 01:26:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:25,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,866 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:25,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:25,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:25,908 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:25,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:25,993 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:25,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:26,202 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:26,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 167 states and 322 transitions. [2021-11-23 01:26:26,218 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 322 transitions. [2021-11-23 01:26:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:26,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:26,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:26,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:26,284 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 [2021-11-23 01:26:26,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:26,347 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:26,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:26,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:26,463 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:26,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:26,699 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:26,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 168 states and 323 transitions. [2021-11-23 01:26:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 323 transitions. [2021-11-23 01:26:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:26,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:26,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:26,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:26,803 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:26,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:26,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:26,825 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:26,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:26,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:26,939 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:26,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:27,143 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:27,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 169 states and 324 transitions. [2021-11-23 01:26:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 324 transitions. [2021-11-23 01:26:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:27,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:27,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:27,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:27,275 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:27,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:27,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:27,302 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:27,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:27,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:27,457 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:27,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:27,748 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:27,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 325 transitions. [2021-11-23 01:26:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 325 transitions. [2021-11-23 01:26:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:27,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:27,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:27,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:27,837 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:27,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:27,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:27,878 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:27,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:27,938 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:27,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:28,151 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:28,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 171 states and 326 transitions. [2021-11-23 01:26:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 326 transitions. [2021-11-23 01:26:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:28,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,231 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:28,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:28,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:28,253 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:28,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:28,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:28,288 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:28,288 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:28,390 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:28,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 327 transitions. [2021-11-23 01:26:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2021-11-23 01:26:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:28,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:28,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:28,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:28,531 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:28,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:28,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:28,647 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:28,647 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:28,869 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:28,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 328 transitions. [2021-11-23 01:26:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2021-11-23 01:26:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:28,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,996 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:28,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:29,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:29,051 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:29,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:29,120 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:29,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:29,337 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:29,338 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 74 treesize of output 38 [2021-11-23 01:26:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 174 states and 329 transitions. [2021-11-23 01:26:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 329 transitions. [2021-11-23 01:26:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:29,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:26:29,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:29,420 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 [2021-11-23 01:26:29,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:29,580 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:29,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:30,052 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 01:26:30,052 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 5 case distinctions, treesize of input 59 treesize of output 50 [2021-11-23 01:26:30,800 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 01:26:30,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 40 [2021-11-23 01:26:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 175 states and 330 transitions. [2021-11-23 01:26:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 330 transitions. [2021-11-23 01:26:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:32,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:32,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,233 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:32,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:32,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:32,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:32,254 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:32,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:32,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:32,372 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:32,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:32,597 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:32,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 176 states and 331 transitions. [2021-11-23 01:26:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 331 transitions. [2021-11-23 01:26:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:32,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:32,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:32,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:32,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:32,789 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:32,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:32,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:32,947 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:32,948 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:33,218 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:33,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:33,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 332 transitions. [2021-11-23 01:26:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 332 transitions. [2021-11-23 01:26:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:33,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:33,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:33,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:33,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:33,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:33,372 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:33,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:33,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:33,410 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:33,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:33,614 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:33,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:33,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 178 states and 333 transitions. [2021-11-23 01:26:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 333 transitions. [2021-11-23 01:26:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:33,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:33,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:33,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:33,713 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:33,713 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:33,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:33,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:33,733 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:33,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:33,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:33,855 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:33,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:34,087 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:34,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 179 states and 334 transitions. [2021-11-23 01:26:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 334 transitions. [2021-11-23 01:26:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:34,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:34,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:34,184 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:34,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:34,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:34,216 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:34,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:34,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:34,369 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:34,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:34,597 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:34,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 180 states and 335 transitions. [2021-11-23 01:26:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 335 transitions. [2021-11-23 01:26:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:34,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:26:34,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:34,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:34,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:34,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:34,905 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:26:34,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:26:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 181 states and 336 transitions. [2021-11-23 01:26:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 336 transitions. [2021-11-23 01:26:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:35,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:35,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:35,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:35,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:35,144 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:35,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:35,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:35,273 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:35,273 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:35,495 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:35,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 182 states and 337 transitions. [2021-11-23 01:26:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 337 transitions. [2021-11-23 01:26:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:35,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:35,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:35,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:35,596 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:35,596 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:35,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:35,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:35,622 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:35,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:35,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:35,744 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:35,744 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:35,963 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:35,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 183 states and 338 transitions. [2021-11-23 01:26:35,979 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 338 transitions. [2021-11-23 01:26:35,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:35,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:36,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:36,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:36,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:36,153 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:36,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:36,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:36,200 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:36,201 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:36,503 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:36,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 184 states and 339 transitions. [2021-11-23 01:26:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 339 transitions. [2021-11-23 01:26:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:36,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:36,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:36,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:36,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,610 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:36,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:36,620 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 [2021-11-23 01:26:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:36,635 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:36,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:36,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:36,772 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:36,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:37,004 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:37,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 185 states and 340 transitions. [2021-11-23 01:26:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 340 transitions. [2021-11-23 01:26:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:37,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:37,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:37,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:37,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:37,083 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 [2021-11-23 01:26:37,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:37,148 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:37,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:37,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:37,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:37,284 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:37,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:37,522 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:37,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 186 states and 341 transitions. [2021-11-23 01:26:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 341 transitions. [2021-11-23 01:26:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:37,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:37,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:37,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:37,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:37,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:37,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:37,660 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:37,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:37,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:37,696 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:37,696 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:37,922 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:37,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 187 states and 342 transitions. [2021-11-23 01:26:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 342 transitions. [2021-11-23 01:26:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:37,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:37,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:37,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:37,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:38,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:38,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:38,075 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:38,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:38,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:38,215 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:38,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:38,455 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:38,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 188 states and 343 transitions. [2021-11-23 01:26:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 343 transitions. [2021-11-23 01:26:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:38,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:38,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:38,569 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:38,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:38,578 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 [2021-11-23 01:26:38,610 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:38,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:38,668 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:38,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:38,903 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:38,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 189 states and 344 transitions. [2021-11-23 01:26:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 344 transitions. [2021-11-23 01:26:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:38,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:38,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:38,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:38,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:39,059 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:39,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:39,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:39,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:39,203 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:39,203 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:39,435 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:39,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 190 states and 345 transitions. [2021-11-23 01:26:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 345 transitions. [2021-11-23 01:26:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:39,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:39,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:39,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:39,533 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:39,533 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:39,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:39,556 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:39,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:39,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:39,602 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:39,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:39,838 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:39,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 191 states and 346 transitions. [2021-11-23 01:26:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 346 transitions. [2021-11-23 01:26:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:39,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:39,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:39,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:39,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:39,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:39,987 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:39,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:40,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:40,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:40,139 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:40,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:40,366 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:40,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 192 states and 347 transitions. [2021-11-23 01:26:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 347 transitions. [2021-11-23 01:26:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:40,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:40,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:40,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:40,478 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:40,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:40,566 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:40,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:40,780 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:40,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 193 states and 348 transitions. [2021-11-23 01:26:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 348 transitions. [2021-11-23 01:26:40,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:40,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:40,887 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:40,888 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:40,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:40,940 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:40,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:41,071 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:41,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:41,321 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:41,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 194 states and 349 transitions. [2021-11-23 01:26:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 349 transitions. [2021-11-23 01:26:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:41,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,412 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:41,412 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:41,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:41,436 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:41,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:41,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:41,472 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:41,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:41,711 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:41,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 195 states and 350 transitions. [2021-11-23 01:26:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 350 transitions. [2021-11-23 01:26:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:41,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:41,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:41,852 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:41,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:41,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:41,973 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:41,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:42,210 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:42,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 196 states and 351 transitions. [2021-11-23 01:26:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 351 transitions. [2021-11-23 01:26:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:42,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:42,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:42,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:42,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:42,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:42,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:42,486 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:42,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:42,725 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:42,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 197 states and 352 transitions. [2021-11-23 01:26:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 352 transitions. [2021-11-23 01:26:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:42,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:42,810 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:42,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:42,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:42,852 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:42,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:42,944 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:42,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:43,178 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:43,178 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 74 treesize of output 38 [2021-11-23 01:26:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 198 states and 353 transitions. [2021-11-23 01:26:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 353 transitions. [2021-11-23 01:26:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:43,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:43,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:43,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:43,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:43,280 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:43,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:43,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:43,318 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:43,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:43,412 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:43,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:43,713 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:43,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 199 states and 354 transitions. [2021-11-23 01:26:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 354 transitions. [2021-11-23 01:26:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:43,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:43,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:43,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:43,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:43,809 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:43,809 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:43,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:43,833 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:43,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:43,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:43,978 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:43,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:44,081 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:44,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 200 states and 355 transitions. [2021-11-23 01:26:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 355 transitions. [2021-11-23 01:26:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:44,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:44,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:44,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:44,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:44,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,263 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:44,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:44,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,391 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:44,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:44,612 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:44,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 201 states and 356 transitions. [2021-11-23 01:26:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 356 transitions. [2021-11-23 01:26:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:44,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:44,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:44,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:44,692 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 [2021-11-23 01:26:44,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,758 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:44,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:44,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,797 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:44,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:45,020 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:45,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 202 states and 357 transitions. [2021-11-23 01:26:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 357 transitions. [2021-11-23 01:26:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:45,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:45,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:45,101 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:45,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:45,111 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 [2021-11-23 01:26:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:45,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:45,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:45,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:45,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:45,263 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:45,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:45,500 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:45,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 203 states and 358 transitions. [2021-11-23 01:26:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 358 transitions. [2021-11-23 01:26:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:45,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:45,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:45,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:45,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:45,650 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:45,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:45,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:45,792 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:45,793 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:46,048 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:46,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 204 states and 359 transitions. [2021-11-23 01:26:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 359 transitions. [2021-11-23 01:26:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:46,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:46,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:46,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:46,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:46,149 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:46,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:46,242 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:46,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:46,482 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:46,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 205 states and 360 transitions. [2021-11-23 01:26:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 360 transitions. [2021-11-23 01:26:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:46,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:46,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:46,567 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:46,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:46,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:46,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:46,588 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:46,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:46,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:46,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:46,623 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:46,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:46,857 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:46,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 206 states and 361 transitions. [2021-11-23 01:26:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 361 transitions. [2021-11-23 01:26:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:46,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:46,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:46,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:46,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:47,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,009 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:47,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:47,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,148 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:47,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:47,238 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:47,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 207 states and 362 transitions. [2021-11-23 01:26:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 362 transitions. [2021-11-23 01:26:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:47,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,327 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:47,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:47,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:47,369 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:47,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:47,425 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:47,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:47,651 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:47,651 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 74 treesize of output 38 [2021-11-23 01:26:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 208 states and 363 transitions. [2021-11-23 01:26:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 363 transitions. [2021-11-23 01:26:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:47,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,742 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:47,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:47,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,766 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:47,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:47,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,805 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:47,805 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:48,041 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:48,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 209 states and 364 transitions. [2021-11-23 01:26:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 364 transitions. [2021-11-23 01:26:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:48,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:48,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,141 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:48,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:48,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:48,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:48,164 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:48,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:48,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:48,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:48,201 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:48,201 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:48,408 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 210 states and 365 transitions. [2021-11-23 01:26:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 365 transitions. [2021-11-23 01:26:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:48,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:48,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,491 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 [2021-11-23 01:26:48,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:48,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:48,559 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:48,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:48,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:48,595 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:48,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:48,816 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:48,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 211 states and 366 transitions. [2021-11-23 01:26:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 366 transitions. [2021-11-23 01:26:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:48,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:48,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,900 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:48,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:48,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:48,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:48,920 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:48,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:49,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:49,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:49,043 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:49,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:49,279 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:49,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 212 states and 367 transitions. [2021-11-23 01:26:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 367 transitions. [2021-11-23 01:26:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:49,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:49,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:49,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:49,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:49,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:49,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:49,458 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:49,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:49,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:49,495 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:49,495 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:49,726 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:49,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 213 states and 368 transitions. [2021-11-23 01:26:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 368 transitions. [2021-11-23 01:26:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:49,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:49,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:49,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:49,808 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:49,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:49,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:49,828 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:49,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:49,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:49,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:49,867 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:49,868 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:50,107 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:50,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:50,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 214 states and 369 transitions. [2021-11-23 01:26:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 369 transitions. [2021-11-23 01:26:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:50,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:50,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:50,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:50,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:50,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:50,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:50,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:50,260 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:50,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:50,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:50,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:50,402 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:50,402 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:50,642 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:50,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 215 states and 370 transitions. [2021-11-23 01:26:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 370 transitions. [2021-11-23 01:26:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:50,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:50,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:50,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:50,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:50,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:50,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:50,733 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:50,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:50,805 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:50,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:51,054 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:51,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 216 states and 371 transitions. [2021-11-23 01:26:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 371 transitions. [2021-11-23 01:26:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:51,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:51,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:51,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:51,131 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 [2021-11-23 01:26:51,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:51,197 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:51,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:51,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:51,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:51,234 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:51,235 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:51,475 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:51,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 217 states and 372 transitions. [2021-11-23 01:26:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 372 transitions. [2021-11-23 01:26:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:51,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:51,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:26:51,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:51,567 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:51,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:51,578 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 [2021-11-23 01:26:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:51,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:51,922 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:26:51,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:26:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 218 states and 373 transitions. [2021-11-23 01:26:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 373 transitions. [2021-11-23 01:26:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:52,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:52,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:52,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:52,343 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:52,344 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:52,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:52,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:52,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:52,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:52,509 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:52,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:52,746 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:52,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 219 states and 374 transitions. [2021-11-23 01:26:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 374 transitions. [2021-11-23 01:26:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:52,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:52,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:52,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:52,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:52,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:52,900 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:52,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:53,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:53,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:53,024 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:53,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:53,233 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:53,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:53,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:53,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 220 states and 375 transitions. [2021-11-23 01:26:53,251 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 375 transitions. [2021-11-23 01:26:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:53,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:53,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:53,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:53,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:53,314 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 [2021-11-23 01:26:53,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:53,382 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:53,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:53,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:53,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:53,506 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:53,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:53,748 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:53,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 221 states and 376 transitions. [2021-11-23 01:26:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 376 transitions. [2021-11-23 01:26:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:53,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:53,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:53,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:53,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:53,864 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:53,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:53,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:53,892 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:53,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:54,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:54,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:54,027 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:54,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:54,281 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:54,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 222 states and 377 transitions. [2021-11-23 01:26:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 377 transitions. [2021-11-23 01:26:54,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:54,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:54,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:54,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:54,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:54,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:54,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:54,446 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:54,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:54,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:54,590 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:54,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:54,818 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:54,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 223 states and 378 transitions. [2021-11-23 01:26:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 378 transitions. [2021-11-23 01:26:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:54,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:54,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:54,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:54,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:54,904 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:54,904 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:54,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:54,923 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:54,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:55,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:55,080 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:55,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:55,334 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:55,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 224 states and 379 transitions. [2021-11-23 01:26:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 379 transitions. [2021-11-23 01:26:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:55,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:55,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:55,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:55,459 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:26:55,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:26:55,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:55,513 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:55,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:55,631 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:55,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:55,918 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:55,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:26:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 225 states and 380 transitions. [2021-11-23 01:26:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 380 transitions. [2021-11-23 01:26:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:55,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:55,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:55,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:55,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:55,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:56,059 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:56,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:56,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:56,095 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:56,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:56,328 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:56,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 226 states and 381 transitions. [2021-11-23 01:26:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 381 transitions. [2021-11-23 01:26:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:56,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:56,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:56,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:56,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:56,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:56,480 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:56,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:56,625 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:56,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:56,877 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:56,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 227 states and 382 transitions. [2021-11-23 01:26:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 382 transitions. [2021-11-23 01:26:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:56,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:56,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:56,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:56,983 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:56,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:56,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:57,003 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:57,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:57,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:57,151 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:57,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:57,399 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:57,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 228 states and 383 transitions. [2021-11-23 01:26:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 383 transitions. [2021-11-23 01:26:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:57,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:57,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:57,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:57,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:57,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:57,575 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:57,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:57,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:57,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:57,613 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:57,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:57,855 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:57,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 229 states and 384 transitions. [2021-11-23 01:26:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 384 transitions. [2021-11-23 01:26:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:57,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:57,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:26:57,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:57,940 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 [2021-11-23 01:26:57,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:26:57,960 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:26:57,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:58,056 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:26:58,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:26:58,286 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:26:58,287 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 74 treesize of output 38 [2021-11-23 01:26:58,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 230 states and 385 transitions. [2021-11-23 01:26:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2021-11-23 01:26:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:58,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:58,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:58,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:58,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:58,375 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:58,375 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:58,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:58,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:58,395 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:58,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:58,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:58,525 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:58,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:58,771 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:58,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 231 states and 386 transitions. [2021-11-23 01:26:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 386 transitions. [2021-11-23 01:26:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:58,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:58,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:58,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:58,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:58,885 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:58,886 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:58,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:58,909 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:58,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:59,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:59,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:59,037 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:59,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:59,339 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:59,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 232 states and 387 transitions. [2021-11-23 01:26:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 387 transitions. [2021-11-23 01:26:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:59,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:26:59,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:59,455 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:26:59,455 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:26:59,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:26:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:59,476 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:26:59,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:26:59,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:26:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:59,625 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:26:59,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:26:59,939 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:26:59,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:26:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 233 states and 388 transitions. [2021-11-23 01:26:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2021-11-23 01:26:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:26:59,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:00,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:00,032 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 [2021-11-23 01:27:00,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:00,117 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:00,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:00,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:00,276 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:00,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:00,578 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:00,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 234 states and 389 transitions. [2021-11-23 01:27:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 389 transitions. [2021-11-23 01:27:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:00,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:00,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:00,675 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:00,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:00,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:00,696 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:00,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:00,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:00,858 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:00,858 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:01,187 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:01,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 235 states and 390 transitions. [2021-11-23 01:27:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 390 transitions. [2021-11-23 01:27:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:01,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:01,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:01,318 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:01,318 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:01,331 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 [2021-11-23 01:27:01,373 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:01,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:01,525 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:01,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:01,839 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:01,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 236 states and 391 transitions. [2021-11-23 01:27:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 391 transitions. [2021-11-23 01:27:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:01,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:01,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:01,956 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:01,956 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:01,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:01,986 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:01,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:02,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:02,189 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:02,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:02,510 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:02,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 237 states and 392 transitions. [2021-11-23 01:27:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 392 transitions. [2021-11-23 01:27:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:02,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:02,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:02,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:02,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:02,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:02,880 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:27:02,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:27:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 238 states and 393 transitions. [2021-11-23 01:27:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2021-11-23 01:27:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:03,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:03,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:03,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:03,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:03,408 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:03,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:03,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:03,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:03,632 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:27:03,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:27:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 239 states and 394 transitions. [2021-11-23 01:27:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 394 transitions. [2021-11-23 01:27:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:04,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:04,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:04,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:04,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:04,278 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:04,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:04,380 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:04,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:04,720 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:04,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 240 states and 395 transitions. [2021-11-23 01:27:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 395 transitions. [2021-11-23 01:27:04,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:04,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:04,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:04,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:04,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:04,882 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:04,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:05,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:05,046 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:05,047 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:05,410 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:05,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 241 states and 396 transitions. [2021-11-23 01:27:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 396 transitions. [2021-11-23 01:27:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:05,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:05,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:05,504 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:05,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:05,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:05,529 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:05,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:05,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:05,712 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:05,712 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:06,004 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:06,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 242 states and 397 transitions. [2021-11-23 01:27:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 397 transitions. [2021-11-23 01:27:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:06,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:06,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:06,100 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:06,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:06,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:06,126 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:06,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:06,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:06,285 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:06,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:06,651 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:06,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 398 transitions. [2021-11-23 01:27:06,671 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2021-11-23 01:27:06,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:06,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:06,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:06,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:06,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:06,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:06,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:07,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:07,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:07,114 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:07,114 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:07,505 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:07,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 244 states and 399 transitions. [2021-11-23 01:27:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 399 transitions. [2021-11-23 01:27:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:07,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:07,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:07,615 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:07,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:07,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:07,638 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:07,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:07,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:07,795 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:07,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:08,087 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:08,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:08,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 245 states and 400 transitions. [2021-11-23 01:27:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 400 transitions. [2021-11-23 01:27:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:08,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:08,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:08,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:08,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:08,257 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:08,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:08,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:08,410 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:08,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:08,676 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:08,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 246 states and 401 transitions. [2021-11-23 01:27:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 401 transitions. [2021-11-23 01:27:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:08,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:08,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:08,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:08,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:08,854 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:08,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:09,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:09,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:09,036 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:09,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:09,310 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:09,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 247 states and 402 transitions. [2021-11-23 01:27:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 402 transitions. [2021-11-23 01:27:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:09,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:09,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:09,415 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:09,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:09,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:09,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:09,436 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:09,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:09,616 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:09,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:09,990 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:09,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 248 states and 403 transitions. [2021-11-23 01:27:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 403 transitions. [2021-11-23 01:27:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:10,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:10,126 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:10,126 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:10,138 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 [2021-11-23 01:27:10,179 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:10,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:10,311 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:10,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:10,655 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:10,655 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 74 treesize of output 38 [2021-11-23 01:27:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 249 states and 404 transitions. [2021-11-23 01:27:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 404 transitions. [2021-11-23 01:27:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:10,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:10,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:10,762 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:10,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:10,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:10,787 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:10,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:10,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:10,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:10,947 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:10,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:11,247 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:11,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 250 states and 405 transitions. [2021-11-23 01:27:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 405 transitions. [2021-11-23 01:27:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:11,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:11,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:11,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:11,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:11,431 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:11,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:11,614 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:11,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:11,968 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:11,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 251 states and 406 transitions. [2021-11-23 01:27:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 406 transitions. [2021-11-23 01:27:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:11,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:12,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:12,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:12,082 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:12,082 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:12,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:12,102 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:12,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:12,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:12,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:12,253 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:12,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:12,541 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:12,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 252 states and 407 transitions. [2021-11-23 01:27:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 407 transitions. [2021-11-23 01:27:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:12,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:12,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:12,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:12,658 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:12,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:12,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:12,680 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:12,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:12,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:12,854 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:12,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:13,124 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:13,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 408 transitions. [2021-11-23 01:27:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 408 transitions. [2021-11-23 01:27:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:13,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:13,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:13,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:13,224 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:13,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:13,234 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 [2021-11-23 01:27:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:13,249 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:13,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:13,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:13,433 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:13,433 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:13,885 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:13,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 254 states and 409 transitions. [2021-11-23 01:27:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 409 transitions. [2021-11-23 01:27:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:13,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:14,032 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:14,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:14,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:14,061 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:14,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:14,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:14,242 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:14,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:14,694 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:14,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 255 states and 410 transitions. [2021-11-23 01:27:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 410 transitions. [2021-11-23 01:27:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:14,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:14,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:14,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:14,924 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:14,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:15,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:15,073 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:15,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:15,364 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:15,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 256 states and 411 transitions. [2021-11-23 01:27:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 411 transitions. [2021-11-23 01:27:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:15,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:15,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:15,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:15,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:15,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:15,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:15,539 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:15,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:15,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:15,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:15,682 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:15,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:15,942 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:15,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 257 states and 412 transitions. [2021-11-23 01:27:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 412 transitions. [2021-11-23 01:27:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:15,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:15,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:16,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:16,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:16,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:16,156 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:16,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:16,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:16,352 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:16,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:16,657 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:16,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 258 states and 413 transitions. [2021-11-23 01:27:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 413 transitions. [2021-11-23 01:27:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:16,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:16,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:16,753 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:16,754 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:16,762 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 [2021-11-23 01:27:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:16,775 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:16,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:16,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:16,829 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:16,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:16,926 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:16,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 259 states and 414 transitions. [2021-11-23 01:27:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 414 transitions. [2021-11-23 01:27:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:16,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:17,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:17,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:17,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:17,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:17,103 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:17,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:17,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:17,271 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:17,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:17,621 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:17,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 260 states and 415 transitions. [2021-11-23 01:27:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 415 transitions. [2021-11-23 01:27:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:17,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:17,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:17,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:17,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:17,734 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:17,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:17,747 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 [2021-11-23 01:27:17,787 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:17,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:17,938 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:17,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:18,269 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:18,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 261 states and 416 transitions. [2021-11-23 01:27:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 416 transitions. [2021-11-23 01:27:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:18,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:18,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:18,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:18,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:18,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:18,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:18,465 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:18,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:18,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:18,607 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:18,608 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:18,906 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:18,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 262 states and 417 transitions. [2021-11-23 01:27:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 417 transitions. [2021-11-23 01:27:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:18,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:19,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:19,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:19,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:19,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:19,086 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:19,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:19,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:19,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:19,256 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:19,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:19,529 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:19,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 263 states and 418 transitions. [2021-11-23 01:27:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 418 transitions. [2021-11-23 01:27:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:19,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:19,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:19,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:19,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:19,636 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:19,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:19,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:19,657 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:19,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:19,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:19,802 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:19,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:20,107 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:20,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 264 states and 419 transitions. [2021-11-23 01:27:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 419 transitions. [2021-11-23 01:27:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:20,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:20,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:20,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:20,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:20,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:20,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:20,278 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:20,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:20,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:20,462 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:20,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:20,748 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:20,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 265 states and 420 transitions. [2021-11-23 01:27:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 420 transitions. [2021-11-23 01:27:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:20,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:20,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:20,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:20,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:20,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:20,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:20,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:21,075 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:27:21,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:27:21,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 266 states and 421 transitions. [2021-11-23 01:27:21,504 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 421 transitions. [2021-11-23 01:27:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:21,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:21,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:21,586 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:21,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:21,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:21,607 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:21,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:21,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:21,767 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:21,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:22,059 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:22,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:22,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 267 states and 422 transitions. [2021-11-23 01:27:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 422 transitions. [2021-11-23 01:27:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:22,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:22,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:22,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:22,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:22,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:22,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:22,255 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:27:22,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:27:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 268 states and 423 transitions. [2021-11-23 01:27:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 423 transitions. [2021-11-23 01:27:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:22,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:22,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:22,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:22,757 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:22,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:22,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:22,800 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:22,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:22,863 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:22,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:23,092 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:23,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 269 states and 424 transitions. [2021-11-23 01:27:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 424 transitions. [2021-11-23 01:27:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:23,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,205 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:23,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:23,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:23,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:23,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:23,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,433 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:23,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:23,750 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:23,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 270 states and 425 transitions. [2021-11-23 01:27:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 425 transitions. [2021-11-23 01:27:23,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:23,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,853 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:23,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:23,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:23,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,874 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:23,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:23,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,914 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:23,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:24,180 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:24,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 271 states and 426 transitions. [2021-11-23 01:27:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 426 transitions. [2021-11-23 01:27:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:24,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:24,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:24,275 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 [2021-11-23 01:27:24,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:24,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:24,349 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:24,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:24,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:24,498 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:24,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:24,787 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:24,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 272 states and 427 transitions. [2021-11-23 01:27:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 427 transitions. [2021-11-23 01:27:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:24,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:24,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:24,900 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:24,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:24,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:24,922 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:24,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:24,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:24,963 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:24,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:25,229 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:25,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 273 states and 428 transitions. [2021-11-23 01:27:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 428 transitions. [2021-11-23 01:27:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:25,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:25,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:25,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:25,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:25,316 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:25,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:25,327 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 [2021-11-23 01:27:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:25,340 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:25,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:25,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:25,380 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:25,380 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:25,680 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:25,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 274 states and 429 transitions. [2021-11-23 01:27:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 429 transitions. [2021-11-23 01:27:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:25,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:25,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:25,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:25,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:25,790 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:25,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:25,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:25,832 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:25,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:25,952 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:25,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:26,263 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:26,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 275 states and 430 transitions. [2021-11-23 01:27:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 430 transitions. [2021-11-23 01:27:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:26,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:26,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:26,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:26,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:26,443 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:26,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:26,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:26,493 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:26,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:26,832 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:26,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 276 states and 431 transitions. [2021-11-23 01:27:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 431 transitions. [2021-11-23 01:27:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:26,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:26,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:26,961 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:26,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:26,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:26,989 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:26,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:27,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:27,185 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:27,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:27,549 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:27,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 277 states and 432 transitions. [2021-11-23 01:27:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 432 transitions. [2021-11-23 01:27:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:27,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:27,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:27,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:27,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:27,657 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:27,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:27,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:27,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:27,688 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:27,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:27,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:27,837 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:27,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:28,187 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:28,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 278 states and 433 transitions. [2021-11-23 01:27:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 433 transitions. [2021-11-23 01:27:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:28,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:28,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:28,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:28,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:28,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:28,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:28,381 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:28,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:28,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:28,422 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:28,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:28,709 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:28,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 279 states and 434 transitions. [2021-11-23 01:27:28,727 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 434 transitions. [2021-11-23 01:27:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:28,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:28,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:28,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:28,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:28,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:28,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:28,896 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:28,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:29,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:29,045 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:29,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:29,145 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:29,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 280 states and 435 transitions. [2021-11-23 01:27:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 435 transitions. [2021-11-23 01:27:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:29,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:29,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:29,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:29,244 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 [2021-11-23 01:27:29,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:29,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:29,324 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:29,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:29,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:29,364 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:29,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:29,677 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:29,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 281 states and 436 transitions. [2021-11-23 01:27:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 436 transitions. [2021-11-23 01:27:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:29,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:29,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:29,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:29,780 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:29,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:29,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:29,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:29,801 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:29,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:29,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:30,004 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:30,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:30,323 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:30,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 282 states and 437 transitions. [2021-11-23 01:27:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 437 transitions. [2021-11-23 01:27:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:30,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:30,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:30,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:30,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:30,493 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:30,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:30,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:30,651 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:30,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:30,749 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:30,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 283 states and 438 transitions. [2021-11-23 01:27:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 438 transitions. [2021-11-23 01:27:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:30,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:30,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:30,855 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:30,856 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:30,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:30,899 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:30,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:30,966 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:30,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:31,280 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:31,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 284 states and 439 transitions. [2021-11-23 01:27:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 439 transitions. [2021-11-23 01:27:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:31,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:31,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:31,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:31,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:31,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:31,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:31,449 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:31,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:31,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:31,627 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:31,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:31,895 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:31,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 285 states and 440 transitions. [2021-11-23 01:27:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 440 transitions. [2021-11-23 01:27:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:31,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:31,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:31,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:31,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:32,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:32,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:32,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:32,090 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:32,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:32,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:32,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:32,268 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:32,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:32,584 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:32,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 286 states and 441 transitions. [2021-11-23 01:27:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 441 transitions. [2021-11-23 01:27:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:32,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:32,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:32,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:32,689 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:32,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:32,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:32,730 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:32,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:32,866 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:32,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:33,191 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:33,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 287 states and 442 transitions. [2021-11-23 01:27:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 442 transitions. [2021-11-23 01:27:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:33,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:33,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:33,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:33,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:33,318 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:33,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:33,441 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:33,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:33,809 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:33,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 288 states and 443 transitions. [2021-11-23 01:27:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 443 transitions. [2021-11-23 01:27:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:33,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:33,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:33,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:33,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:33,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:33,989 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:34,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:34,034 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:34,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:34,389 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:34,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 289 states and 444 transitions. [2021-11-23 01:27:34,422 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 444 transitions. [2021-11-23 01:27:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:34,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:34,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:34,508 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:34,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:34,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:34,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:34,532 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:34,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:34,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:34,691 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:34,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:34,992 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:34,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 290 states and 445 transitions. [2021-11-23 01:27:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 445 transitions. [2021-11-23 01:27:35,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:35,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:35,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:35,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:35,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:35,180 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:35,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:35,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:35,228 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:35,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:35,604 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:35,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 291 states and 446 transitions. [2021-11-23 01:27:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 446 transitions. [2021-11-23 01:27:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:35,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:35,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:35,707 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:35,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:35,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:35,728 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:35,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:35,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:35,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:35,904 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:35,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:36,184 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:36,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 292 states and 447 transitions. [2021-11-23 01:27:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 447 transitions. [2021-11-23 01:27:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:36,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:36,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:36,292 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:36,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:36,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:36,312 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:36,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:36,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:36,465 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:36,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:36,781 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:36,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 293 states and 448 transitions. [2021-11-23 01:27:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 448 transitions. [2021-11-23 01:27:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:36,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:36,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:36,884 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:36,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:36,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:36,903 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:36,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:36,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:36,944 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:36,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:37,255 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:37,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 294 states and 449 transitions. [2021-11-23 01:27:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 449 transitions. [2021-11-23 01:27:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:37,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:37,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:37,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:37,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:37,367 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:37,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:37,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:37,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:37,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:37,584 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:27:37,584 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:27:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 295 states and 450 transitions. [2021-11-23 01:27:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 450 transitions. [2021-11-23 01:27:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:37,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:37,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:38,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:38,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:38,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,156 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:38,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:38,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,204 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:38,204 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:38,475 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:38,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 296 states and 451 transitions. [2021-11-23 01:27:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 451 transitions. [2021-11-23 01:27:38,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:38,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:38,618 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:38,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:38,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:38,673 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:38,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:38,755 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:38,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:39,045 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:39,045 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 74 treesize of output 38 [2021-11-23 01:27:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 297 states and 452 transitions. [2021-11-23 01:27:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 452 transitions. [2021-11-23 01:27:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:39,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:39,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:39,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:39,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:39,185 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:39,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:39,278 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:39,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:39,575 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:39,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 298 states and 453 transitions. [2021-11-23 01:27:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 453 transitions. [2021-11-23 01:27:39,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:39,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:39,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:39,675 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 [2021-11-23 01:27:39,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:39,753 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:39,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:39,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:39,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:39,941 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:39,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:40,219 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:40,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 299 states and 454 transitions. [2021-11-23 01:27:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 454 transitions. [2021-11-23 01:27:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:40,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:40,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:40,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:40,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:40,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:40,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,410 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:40,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:40,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,613 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:40,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:40,977 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:40,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 300 states and 455 transitions. [2021-11-23 01:27:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 455 transitions. [2021-11-23 01:27:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:41,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:41,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:41,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:41,112 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:41,113 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:41,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:41,134 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:41,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:41,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:41,340 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:41,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:41,598 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:41,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 301 states and 456 transitions. [2021-11-23 01:27:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 456 transitions. [2021-11-23 01:27:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:41,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:41,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:27:41,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:41,713 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:41,713 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:41,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:41,753 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:41,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:41,869 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:27:41,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:27:42,163 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:27:42,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:27:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:42,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 302 states and 457 transitions. [2021-11-23 01:27:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 457 transitions. [2021-11-23 01:27:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:42,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:42,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:42,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:42,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:42,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:42,364 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:42,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:42,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:42,506 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:42,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:42,829 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:42,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 303 states and 458 transitions. [2021-11-23 01:27:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 458 transitions. [2021-11-23 01:27:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:42,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:42,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:42,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:42,951 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:42,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:42,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:42,971 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:42,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:43,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:43,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:43,012 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:43,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:43,379 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:43,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 304 states and 459 transitions. [2021-11-23 01:27:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 459 transitions. [2021-11-23 01:27:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:43,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:43,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:43,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:43,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:43,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:43,545 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:43,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:43,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:43,686 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:43,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:43,971 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:43,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 305 states and 460 transitions. [2021-11-23 01:27:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 460 transitions. [2021-11-23 01:27:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:43,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:44,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:44,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:44,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:44,148 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:44,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:44,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:44,315 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:44,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:44,649 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:44,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 306 states and 461 transitions. [2021-11-23 01:27:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 461 transitions. [2021-11-23 01:27:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:44,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:44,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:44,756 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:44,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:44,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:44,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:44,777 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:44,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:44,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:44,945 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:44,945 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:45,249 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:45,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 307 states and 462 transitions. [2021-11-23 01:27:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 462 transitions. [2021-11-23 01:27:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:45,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:45,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:45,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:45,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:45,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:45,608 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:27:45,608 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:27:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:46,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 308 states and 463 transitions. [2021-11-23 01:27:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 463 transitions. [2021-11-23 01:27:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:46,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:46,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:46,088 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:46,089 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:46,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:46,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:46,121 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:46,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:46,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:46,264 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:46,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:46,581 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:46,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 309 states and 464 transitions. [2021-11-23 01:27:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 464 transitions. [2021-11-23 01:27:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:46,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:27:46,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:46,685 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:27:46,686 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:27:46,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:46,900 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:27:46,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:47,261 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 01:27:47,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 50 [2021-11-23 01:27:47,799 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 01:27:47,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 40 [2021-11-23 01:27:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 312 states and 493 transitions. [2021-11-23 01:27:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 493 transitions. [2021-11-23 01:27:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:51,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:51,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:51,673 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:27:51,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:27:51,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:51,694 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:51,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:51,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:51,838 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:51,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:52,133 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:52,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 313 states and 494 transitions. [2021-11-23 01:27:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 494 transitions. [2021-11-23 01:27:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:52,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:52,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:52,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:52,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:52,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:52,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:52,314 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:52,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:27:52,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:52,353 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:27:52,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:27:52,646 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:27:52,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:27:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 314 states and 495 transitions. [2021-11-23 01:27:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 495 transitions. [2021-11-23 01:27:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:52,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:52,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:27:52,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:52,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:27:52,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:27:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:52,836 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:27:52,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-23 01:32:09,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:10,000 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:10,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:10,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:10,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:10,359 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:10,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:10,876 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:10,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 614 states and 795 transitions. [2021-11-23 01:32:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 795 transitions. [2021-11-23 01:32:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:10,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:10,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:11,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:11,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:11,080 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:11,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:11,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:11,100 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:11,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:11,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:11,366 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:11,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:11,874 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:11,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 615 states and 796 transitions. [2021-11-23 01:32:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 796 transitions. [2021-11-23 01:32:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:11,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:11,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:12,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:12,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:12,076 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:12,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:12,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:12,095 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:12,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:12,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:12,380 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:12,380 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:12,984 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:12,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 616 states and 797 transitions. [2021-11-23 01:32:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 797 transitions. [2021-11-23 01:32:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:13,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:13,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:13,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:13,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:13,138 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 [2021-11-23 01:32:13,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:13,261 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:13,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:13,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:13,317 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:13,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:13,983 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:13,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 617 states and 798 transitions. [2021-11-23 01:32:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 798 transitions. [2021-11-23 01:32:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:14,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:14,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:14,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:14,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:14,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:14,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:14,283 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:14,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:14,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:14,332 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:14,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:14,866 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:14,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 618 states and 799 transitions. [2021-11-23 01:32:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 799 transitions. [2021-11-23 01:32:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:14,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:14,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:15,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:15,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:15,066 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:15,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:15,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:15,088 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:15,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:15,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:15,347 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:15,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:15,872 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:15,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 619 states and 800 transitions. [2021-11-23 01:32:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 800 transitions. [2021-11-23 01:32:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:15,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:32:16,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:16,083 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 [2021-11-23 01:32:16,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:16,109 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:32:16,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:16,354 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:32:16,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:32:17,002 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:32:17,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:32:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 620 states and 801 transitions. [2021-11-23 01:32:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 801 transitions. [2021-11-23 01:32:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:17,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:17,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:17,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:17,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:17,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:17,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:17,366 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:17,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:17,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:17,416 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:17,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:18,137 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:18,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 621 states and 802 transitions. [2021-11-23 01:32:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 802 transitions. [2021-11-23 01:32:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:18,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:18,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:18,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:18,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:18,311 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:18,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:18,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:18,330 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:18,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:18,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:18,633 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:18,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:18,772 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:18,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 622 states and 803 transitions. [2021-11-23 01:32:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 803 transitions. [2021-11-23 01:32:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:18,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:18,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:18,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:18,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:18,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:18,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:19,079 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:19,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:19,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:19,360 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:19,360 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:20,019 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:20,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 623 states and 804 transitions. [2021-11-23 01:32:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 804 transitions. [2021-11-23 01:32:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:20,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:20,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:20,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:20,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:20,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:20,323 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:20,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:20,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:20,370 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:20,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:20,859 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:20,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:20,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 624 states and 805 transitions. [2021-11-23 01:32:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 805 transitions. [2021-11-23 01:32:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:20,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:21,062 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 [2021-11-23 01:32:21,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:21,180 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:21,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:21,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:21,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:21,553 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:21,554 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:22,109 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:22,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 625 states and 806 transitions. [2021-11-23 01:32:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 806 transitions. [2021-11-23 01:32:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:22,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:22,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:22,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:22,289 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 [2021-11-23 01:32:22,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:22,406 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:22,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:22,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:22,682 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:22,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:23,373 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:23,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 626 states and 807 transitions. [2021-11-23 01:32:23,399 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 807 transitions. [2021-11-23 01:32:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:23,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:23,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:23,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:23,571 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:23,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:23,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:23,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:23,591 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:23,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:23,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:23,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:23,863 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:23,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:24,371 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:24,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 627 states and 808 transitions. [2021-11-23 01:32:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 808 transitions. [2021-11-23 01:32:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:24,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:24,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:24,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:24,570 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:24,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:24,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:24,592 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:24,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:24,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:24,977 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:24,977 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:25,784 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:25,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 628 states and 809 transitions. [2021-11-23 01:32:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 809 transitions. [2021-11-23 01:32:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:25,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:25,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:25,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:25,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:25,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:26,108 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:26,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:26,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:26,159 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:26,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:26,962 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:26,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 629 states and 810 transitions. [2021-11-23 01:32:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 810 transitions. [2021-11-23 01:32:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:26,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:26,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:27,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:27,155 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:27,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:27,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:27,178 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:27,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:27,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:27,529 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:27,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:28,176 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:28,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:28,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:28,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 630 states and 811 transitions. [2021-11-23 01:32:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 811 transitions. [2021-11-23 01:32:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:28,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:28,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:28,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:28,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:28,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:28,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:28,472 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:28,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:28,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:28,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:28,755 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:28,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:29,296 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:29,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 631 states and 812 transitions. [2021-11-23 01:32:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 812 transitions. [2021-11-23 01:32:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:29,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:29,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:29,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:29,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:29,460 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:29,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:29,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:29,483 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:29,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:29,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:29,748 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:29,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:30,438 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:30,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 632 states and 813 transitions. [2021-11-23 01:32:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 813 transitions. [2021-11-23 01:32:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:30,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:30,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:30,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:30,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:30,620 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 [2021-11-23 01:32:30,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:30,742 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:30,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:31,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:31,128 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:31,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:31,882 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:31,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 633 states and 814 transitions. [2021-11-23 01:32:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 814 transitions. [2021-11-23 01:32:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:31,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:32,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:32,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:32,056 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:32,056 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:32,065 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 [2021-11-23 01:32:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:32,077 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:32,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:32,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:32,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:32,338 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:32,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:32,975 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:32,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 634 states and 815 transitions. [2021-11-23 01:32:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 815 transitions. [2021-11-23 01:32:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:32,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:32,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:33,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:32:33,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:33,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:33,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:33,193 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:32:33,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:33,315 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:32:33,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:32:34,076 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:32:34,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:32:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 635 states and 816 transitions. [2021-11-23 01:32:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 816 transitions. [2021-11-23 01:32:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:34,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:34,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:34,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:34,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:34,299 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:34,299 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:34,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:34,324 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:34,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:34,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:34,377 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:34,377 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:34,913 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:34,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 636 states and 817 transitions. [2021-11-23 01:32:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 817 transitions. [2021-11-23 01:32:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:34,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:34,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:35,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:35,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:35,101 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:35,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:35,110 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 [2021-11-23 01:32:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:35,122 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:35,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:35,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:35,408 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:35,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:36,152 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:36,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 637 states and 818 transitions. [2021-11-23 01:32:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 818 transitions. [2021-11-23 01:32:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:36,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:36,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:36,331 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 [2021-11-23 01:32:36,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:36,457 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:36,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:36,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:36,507 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:36,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:37,160 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:37,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 638 states and 819 transitions. [2021-11-23 01:32:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 819 transitions. [2021-11-23 01:32:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:37,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:37,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:37,349 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 [2021-11-23 01:32:37,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:37,468 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:37,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:37,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:37,519 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:37,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:38,251 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:38,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 639 states and 820 transitions. [2021-11-23 01:32:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 820 transitions. [2021-11-23 01:32:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:38,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:38,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:38,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:32:38,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:38,466 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:32:38,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:32:38,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:38,508 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:32:38,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:38,728 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:32:38,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:32:39,348 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:32:39,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:32:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:39,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 640 states and 821 transitions. [2021-11-23 01:32:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 821 transitions. [2021-11-23 01:32:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:39,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:32:39,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:39,522 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:32:39,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:32:39,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:39,566 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:32:39,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:39,788 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:32:39,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:32:40,540 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:32:40,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:32:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 641 states and 822 transitions. [2021-11-23 01:32:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 822 transitions. [2021-11-23 01:32:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:40,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:40,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:40,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:40,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:40,709 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:40,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:40,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:40,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:40,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:40,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:40,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:40,779 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:40,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:41,317 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:41,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 642 states and 823 transitions. [2021-11-23 01:32:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 823 transitions. [2021-11-23 01:32:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:41,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:41,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:41,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:41,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:41,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:41,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:41,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:41,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:41,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:41,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:41,910 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:41,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:42,400 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:42,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 643 states and 824 transitions. [2021-11-23 01:32:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 824 transitions. [2021-11-23 01:32:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:42,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:42,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:42,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:42,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:42,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:42,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:42,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:42,695 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:42,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:42,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:42,749 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:42,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:43,258 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:43,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 644 states and 825 transitions. [2021-11-23 01:32:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 825 transitions. [2021-11-23 01:32:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:43,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:43,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:43,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:43,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:43,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:43,583 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:43,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:43,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:43,923 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:43,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:44,412 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:44,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 645 states and 826 transitions. [2021-11-23 01:32:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 826 transitions. [2021-11-23 01:32:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:44,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:44,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:44,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:44,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:44,605 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:44,605 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:44,616 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 [2021-11-23 01:32:44,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:44,631 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:44,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:44,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:44,976 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:44,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:45,509 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:45,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 646 states and 827 transitions. [2021-11-23 01:32:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 827 transitions. [2021-11-23 01:32:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:45,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:45,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:45,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:45,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:45,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:45,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:45,799 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:45,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:46,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:46,172 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:46,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:46,825 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:46,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:46,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 647 states and 828 transitions. [2021-11-23 01:32:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 828 transitions. [2021-11-23 01:32:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:46,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:46,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:46,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:46,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:47,003 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:47,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:47,014 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 [2021-11-23 01:32:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:47,027 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:47,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:47,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:47,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:47,077 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:47,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:47,839 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:47,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 648 states and 829 transitions. [2021-11-23 01:32:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 829 transitions. [2021-11-23 01:32:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:47,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:47,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:48,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,015 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:48,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:48,024 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 [2021-11-23 01:32:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:48,037 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:48,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:48,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:48,087 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:48,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:48,891 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:48,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 649 states and 830 transitions. [2021-11-23 01:32:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 830 transitions. [2021-11-23 01:32:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:48,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:49,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:49,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:49,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:49,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:49,198 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:49,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:49,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:49,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:49,556 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:49,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:50,139 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:50,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 650 states and 831 transitions. [2021-11-23 01:32:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 831 transitions. [2021-11-23 01:32:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:50,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:50,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:50,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:50,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:50,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:50,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:50,424 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:50,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:50,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:50,760 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:50,760 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:51,297 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:51,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 651 states and 832 transitions. [2021-11-23 01:32:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 832 transitions. [2021-11-23 01:32:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:51,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:51,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:51,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:51,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:51,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:51,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:51,673 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:51,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:51,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:51,997 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:51,997 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:52,511 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:52,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:52,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 652 states and 833 transitions. [2021-11-23 01:32:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 833 transitions. [2021-11-23 01:32:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:52,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:52,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:52,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:52,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:52,700 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:52,700 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:52,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:52,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:52,720 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:52,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:52,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:52,771 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:52,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:53,300 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:53,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 653 states and 834 transitions. [2021-11-23 01:32:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 834 transitions. [2021-11-23 01:32:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:53,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:53,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:53,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:53,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:53,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:53,607 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:53,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:53,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:53,946 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:53,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:54,438 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:54,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 654 states and 835 transitions. [2021-11-23 01:32:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 835 transitions. [2021-11-23 01:32:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:54,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:54,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:54,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:54,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:54,620 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 [2021-11-23 01:32:54,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:32:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:54,756 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:54,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:55,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:55,116 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:55,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:55,770 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:55,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 655 states and 836 transitions. [2021-11-23 01:32:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 836 transitions. [2021-11-23 01:32:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:55,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:55,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:55,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:55,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:55,983 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:55,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:55,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:56,005 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:56,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:56,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:56,053 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:56,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:56,808 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:56,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 656 states and 837 transitions. [2021-11-23 01:32:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 837 transitions. [2021-11-23 01:32:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:56,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:56,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:57,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:32:57,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:57,026 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:32:57,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:32:57,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:57,068 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:32:57,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:57,350 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:32:57,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:32:58,143 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:32:58,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:32:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 657 states and 838 transitions. [2021-11-23 01:32:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 838 transitions. [2021-11-23 01:32:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:58,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:58,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:58,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:58,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:58,370 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:58,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:58,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:58,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:58,391 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:58,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:58,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:58,452 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:58,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:58,987 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:58,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 658 states and 839 transitions. [2021-11-23 01:32:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 839 transitions. [2021-11-23 01:32:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:59,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:59,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:59,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:59,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:59,181 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:32:59,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:32:59,189 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 [2021-11-23 01:32:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:59,202 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:32:59,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:32:59,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:32:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:32:59,253 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:32:59,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:32:59,791 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:32:59,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:32:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 659 states and 840 transitions. [2021-11-23 01:32:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 840 transitions. [2021-11-23 01:32:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:32:59,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:59,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:59,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:59,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:59,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:32:59,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:00,074 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:00,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:00,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:00,345 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:00,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:00,988 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:00,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 660 states and 841 transitions. [2021-11-23 01:33:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 841 transitions. [2021-11-23 01:33:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:01,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:01,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:01,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:01,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:01,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:01,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:01,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:01,307 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:01,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:01,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:01,616 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:01,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:02,120 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:02,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 661 states and 842 transitions. [2021-11-23 01:33:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 842 transitions. [2021-11-23 01:33:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:02,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:02,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:02,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:02,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:02,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:02,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:02,432 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:02,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:02,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:02,708 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:02,708 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:03,459 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:03,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 662 states and 843 transitions. [2021-11-23 01:33:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 843 transitions. [2021-11-23 01:33:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:03,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:03,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:03,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:03,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:03,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:03,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:03,774 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:03,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:03,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:03,824 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:03,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:04,599 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:04,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 663 states and 844 transitions. [2021-11-23 01:33:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 844 transitions. [2021-11-23 01:33:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:04,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:04,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:04,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:04,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:04,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:04,952 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:04,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:05,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:05,007 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:05,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:05,542 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:05,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 664 states and 845 transitions. [2021-11-23 01:33:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 845 transitions. [2021-11-23 01:33:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:05,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:05,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:05,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:05,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:05,727 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:05,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:05,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:05,747 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:05,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:06,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:06,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:06,096 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:06,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:06,876 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:06,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 665 states and 846 transitions. [2021-11-23 01:33:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 846 transitions. [2021-11-23 01:33:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:06,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:06,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:07,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:07,063 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 [2021-11-23 01:33:07,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:07,187 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:07,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:07,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:07,473 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:07,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:08,089 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:08,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 666 states and 847 transitions. [2021-11-23 01:33:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 847 transitions. [2021-11-23 01:33:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:08,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:08,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:08,283 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:08,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:08,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:08,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:08,305 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:08,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:08,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:08,604 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:08,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:09,158 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:09,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 667 states and 848 transitions. [2021-11-23 01:33:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 848 transitions. [2021-11-23 01:33:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:09,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:09,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:09,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:09,366 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:33:09,366 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:33:09,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:09,409 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:09,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:09,652 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:09,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:10,438 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:10,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 668 states and 849 transitions. [2021-11-23 01:33:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 849 transitions. [2021-11-23 01:33:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:10,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:10,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:10,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:33:10,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:10,615 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:33:10,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:33:10,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:10,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:10,965 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:33:10,966 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:33:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 669 states and 850 transitions. [2021-11-23 01:33:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 850 transitions. [2021-11-23 01:33:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:11,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:11,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:12,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:12,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:12,024 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:12,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:12,032 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 [2021-11-23 01:33:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:12,046 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:12,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:12,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:12,098 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:12,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:12,951 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:12,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 670 states and 851 transitions. [2021-11-23 01:33:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 851 transitions. [2021-11-23 01:33:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:12,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:12,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:13,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:13,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:13,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:13,348 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:13,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:13,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:13,733 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:13,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:14,293 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:14,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 671 states and 852 transitions. [2021-11-23 01:33:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 852 transitions. [2021-11-23 01:33:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:14,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:14,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:14,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:14,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:14,501 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:14,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:14,793 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:14,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:15,606 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:15,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 672 states and 853 transitions. [2021-11-23 01:33:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 853 transitions. [2021-11-23 01:33:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:15,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:15,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:15,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:15,821 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:15,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:15,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:15,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:15,843 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:15,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:16,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:16,122 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:16,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:16,795 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:16,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 673 states and 854 transitions. [2021-11-23 01:33:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2021-11-23 01:33:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:16,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:16,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:16,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:16,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:16,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:16,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:17,103 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:17,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:17,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:17,154 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:17,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:17,650 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:17,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 674 states and 855 transitions. [2021-11-23 01:33:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 855 transitions. [2021-11-23 01:33:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:17,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:17,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:17,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:17,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:17,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:17,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:17,974 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:17,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:18,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:18,250 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:18,251 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:18,937 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:18,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 675 states and 856 transitions. [2021-11-23 01:33:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 856 transitions. [2021-11-23 01:33:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:18,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:18,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:19,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:19,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:19,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:19,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:19,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:19,248 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:19,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:19,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:19,305 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:19,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:19,892 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:19,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 676 states and 857 transitions. [2021-11-23 01:33:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 857 transitions. [2021-11-23 01:33:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:19,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:19,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:20,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:20,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:20,086 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:20,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:20,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:20,108 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:20,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:20,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:20,159 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:20,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:21,009 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:21,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 677 states and 858 transitions. [2021-11-23 01:33:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 858 transitions. [2021-11-23 01:33:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:21,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:21,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:21,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:21,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:21,208 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:33:21,208 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:33:21,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:21,257 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:21,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:21,416 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:21,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:22,122 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:22,123 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 74 treesize of output 38 [2021-11-23 01:33:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 678 states and 859 transitions. [2021-11-23 01:33:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 859 transitions. [2021-11-23 01:33:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:22,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:22,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:22,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:22,347 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:22,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:22,368 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:22,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:22,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:22,723 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:22,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:23,397 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:23,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 679 states and 860 transitions. [2021-11-23 01:33:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 860 transitions. [2021-11-23 01:33:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:23,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:23,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:23,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:23,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:23,598 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:33:23,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:33:23,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:23,642 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:23,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:23,977 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:23,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:24,726 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:24,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 680 states and 861 transitions. [2021-11-23 01:33:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 861 transitions. [2021-11-23 01:33:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:24,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:24,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:24,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:24,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:24,953 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:33:24,953 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:33:24,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:24,998 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:24,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:25,340 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:25,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:26,176 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:26,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:26,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 681 states and 862 transitions. [2021-11-23 01:33:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 862 transitions. [2021-11-23 01:33:26,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:26,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:26,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:26,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:26,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:26,382 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:26,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:26,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:26,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:26,406 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:26,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:26,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:26,457 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:26,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:27,150 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:27,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 682 states and 863 transitions. [2021-11-23 01:33:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 863 transitions. [2021-11-23 01:33:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:27,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:27,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:27,374 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:27,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:27,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:27,398 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:27,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:27,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:27,677 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:27,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:28,331 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:28,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:28,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 683 states and 864 transitions. [2021-11-23 01:33:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 864 transitions. [2021-11-23 01:33:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:28,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:28,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:28,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:28,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:28,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:28,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:28,687 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:28,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:28,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:28,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:28,737 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:28,738 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:29,438 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:29,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 684 states and 865 transitions. [2021-11-23 01:33:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 865 transitions. [2021-11-23 01:33:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:29,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:29,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:29,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:29,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:29,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:29,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:29,676 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:29,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:29,940 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:29,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:30,766 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:30,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 685 states and 866 transitions. [2021-11-23 01:33:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 866 transitions. [2021-11-23 01:33:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:30,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:30,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:30,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:30,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:31,001 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:31,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:31,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:31,026 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:31,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:31,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:31,081 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:31,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:31,762 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:31,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:31,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 686 states and 867 transitions. [2021-11-23 01:33:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 867 transitions. [2021-11-23 01:33:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:31,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:31,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:31,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:31,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:31,967 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:31,967 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:31,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:31,987 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:31,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:32,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:32,038 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:32,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:32,715 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:32,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 687 states and 868 transitions. [2021-11-23 01:33:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 868 transitions. [2021-11-23 01:33:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:32,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:32,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:32,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:32,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:32,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:32,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:33,047 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:33,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:33,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:33,415 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:33,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:34,226 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:34,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 688 states and 869 transitions. [2021-11-23 01:33:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 869 transitions. [2021-11-23 01:33:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:34,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:34,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:34,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:34,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:34,448 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:34,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:34,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:34,473 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:34,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:34,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:34,527 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:34,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:35,116 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:35,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 689 states and 870 transitions. [2021-11-23 01:33:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 870 transitions. [2021-11-23 01:33:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:35,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:35,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:35,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:35,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:35,328 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:35,328 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:35,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:35,350 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:35,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:35,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:35,715 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:35,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:36,265 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:36,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 690 states and 871 transitions. [2021-11-23 01:33:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 871 transitions. [2021-11-23 01:33:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:36,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:36,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:36,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:36,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:36,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:36,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:36,604 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:36,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:36,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:36,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:36,660 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:36,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:37,374 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:37,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 691 states and 872 transitions. [2021-11-23 01:33:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 872 transitions. [2021-11-23 01:33:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:37,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:37,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:37,655 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:37,655 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:37,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:37,677 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:37,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:38,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:38,038 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:38,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:38,869 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:38,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 692 states and 873 transitions. [2021-11-23 01:33:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 873 transitions. [2021-11-23 01:33:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:38,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:38,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:39,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:39,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:39,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:39,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:39,191 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:39,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:39,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:39,513 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:39,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:40,079 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:40,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 693 states and 874 transitions. [2021-11-23 01:33:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 874 transitions. [2021-11-23 01:33:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:40,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:40,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:40,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:40,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:40,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:40,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:40,380 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:40,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:40,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:40,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:40,750 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:40,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:41,447 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:41,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 694 states and 875 transitions. [2021-11-23 01:33:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 875 transitions. [2021-11-23 01:33:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:41,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:41,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:41,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:41,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:41,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:41,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:41,763 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:41,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:41,816 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:41,816 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:42,361 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:42,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 695 states and 876 transitions. [2021-11-23 01:33:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 876 transitions. [2021-11-23 01:33:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:42,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:42,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:42,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:42,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:42,590 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:42,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:42,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:42,615 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:42,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:42,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:42,908 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:42,908 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:43,424 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:43,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 696 states and 877 transitions. [2021-11-23 01:33:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 877 transitions. [2021-11-23 01:33:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:43,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:43,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:43,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:43,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:43,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:43,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:43,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:43,777 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:43,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:43,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:43,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:43,828 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:43,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:44,534 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:44,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 697 states and 878 transitions. [2021-11-23 01:33:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 878 transitions. [2021-11-23 01:33:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:44,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:44,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:44,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:44,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:44,751 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:33:44,751 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:33:44,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:44,794 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:44,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:45,048 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:45,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:45,874 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:45,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 698 states and 879 transitions. [2021-11-23 01:33:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 879 transitions. [2021-11-23 01:33:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:45,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:45,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:46,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:46,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:46,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:46,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:46,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:46,237 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:46,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:46,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:46,294 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:46,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:46,997 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:46,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 699 states and 880 transitions. [2021-11-23 01:33:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 880 transitions. [2021-11-23 01:33:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:47,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:47,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:47,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:33:47,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:47,234 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 [2021-11-23 01:33:47,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:47,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:47,829 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:33:47,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:33:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 700 states and 881 transitions. [2021-11-23 01:33:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 881 transitions. [2021-11-23 01:33:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:48,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:48,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:48,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:48,747 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:48,747 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:48,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:48,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:48,768 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:48,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:48,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:48,821 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:48,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:49,488 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:49,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 701 states and 882 transitions. [2021-11-23 01:33:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 882 transitions. [2021-11-23 01:33:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:49,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:49,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:49,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:49,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:49,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:49,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:49,717 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:49,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:50,001 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:50,833 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:50,833 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 74 treesize of output 38 [2021-11-23 01:33:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 702 states and 883 transitions. [2021-11-23 01:33:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 883 transitions. [2021-11-23 01:33:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:50,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:50,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:51,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:51,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:51,050 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:51,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:51,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:51,072 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:51,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:51,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:51,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:51,432 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:51,433 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:52,245 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:52,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 703 states and 884 transitions. [2021-11-23 01:33:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 884 transitions. [2021-11-23 01:33:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:52,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:52,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:52,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:52,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:52,420 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 [2021-11-23 01:33:52,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:52,547 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:52,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:52,600 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:52,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:53,290 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:53,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 704 states and 885 transitions. [2021-11-23 01:33:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 885 transitions. [2021-11-23 01:33:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:53,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:53,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:53,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:53,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:53,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:53,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:53,601 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:53,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:53,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:53,960 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:53,961 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:54,567 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:54,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 705 states and 886 transitions. [2021-11-23 01:33:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 886 transitions. [2021-11-23 01:33:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:54,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:54,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:54,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:54,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:54,768 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:54,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:54,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:54,791 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:54,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:55,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:55,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:55,186 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:55,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:56,106 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:56,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 706 states and 887 transitions. [2021-11-23 01:33:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 887 transitions. [2021-11-23 01:33:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:56,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:56,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:56,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:33:56,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:56,323 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 [2021-11-23 01:33:56,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:56,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:56,830 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:33:56,831 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:33:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 707 states and 888 transitions. [2021-11-23 01:33:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 888 transitions. [2021-11-23 01:33:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:57,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:57,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:57,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:57,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:57,747 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:57,747 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:57,757 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 [2021-11-23 01:33:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:57,769 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:57,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:57,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:57,821 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:57,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:33:58,268 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:33:58,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:33:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 708 states and 889 transitions. [2021-11-23 01:33:58,287 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 889 transitions. [2021-11-23 01:33:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:58,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:58,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:58,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:58,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:58,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:58,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:33:58,503 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:33:58,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:58,649 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:33:58,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:33:59,433 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:33:59,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:33:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 709 states and 890 transitions. [2021-11-23 01:33:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 890 transitions. [2021-11-23 01:33:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:59,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:59,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:59,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:33:59,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:59,631 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:33:59,631 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:33:59,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:33:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:59,652 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:33:59,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:33:59,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:33:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:59,945 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:33:59,945 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:00,676 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:00,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 710 states and 891 transitions. [2021-11-23 01:34:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 891 transitions. [2021-11-23 01:34:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:00,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:00,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:00,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:00,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:00,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:00,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:01,028 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:01,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:01,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:01,084 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:01,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:01,704 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:01,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 711 states and 892 transitions. [2021-11-23 01:34:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 892 transitions. [2021-11-23 01:34:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:01,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:01,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:01,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:01,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:01,919 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:01,920 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:01,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:01,941 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:01,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:02,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:02,236 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:02,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:02,380 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:02,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 712 states and 893 transitions. [2021-11-23 01:34:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 893 transitions. [2021-11-23 01:34:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:02,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:02,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:02,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:02,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:02,585 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:02,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:02,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:02,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:02,608 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:02,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:02,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:02,898 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:02,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:03,417 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:03,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 713 states and 894 transitions. [2021-11-23 01:34:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 894 transitions. [2021-11-23 01:34:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:03,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:03,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:03,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:03,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:03,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:03,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:03,753 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:03,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:03,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:03,810 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:03,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:04,662 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:04,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 714 states and 895 transitions. [2021-11-23 01:34:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 895 transitions. [2021-11-23 01:34:04,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:04,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:04,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:04,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:04,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:04,911 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:04,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:04,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:04,932 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:04,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:05,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:05,330 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:05,330 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:05,774 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:05,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 715 states and 896 transitions. [2021-11-23 01:34:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 896 transitions. [2021-11-23 01:34:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:05,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:05,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:05,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:05,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:05,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:05,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:06,092 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:06,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:06,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:06,145 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:06,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:06,855 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:06,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 716 states and 897 transitions. [2021-11-23 01:34:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 897 transitions. [2021-11-23 01:34:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:06,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:06,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:07,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,093 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:07,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:07,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:07,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:07,113 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:07,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:07,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:07,526 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:07,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:08,231 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:08,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 717 states and 898 transitions. [2021-11-23 01:34:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 898 transitions. [2021-11-23 01:34:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:08,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:08,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:08,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:08,426 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:08,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:08,435 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 [2021-11-23 01:34:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:08,447 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:08,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:08,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:08,823 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:08,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:09,505 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:09,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 718 states and 899 transitions. [2021-11-23 01:34:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 899 transitions. [2021-11-23 01:34:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:09,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:09,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:09,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:09,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:09,734 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:09,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:09,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:09,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:09,755 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:09,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:10,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:10,048 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:10,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:10,780 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:10,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 719 states and 900 transitions. [2021-11-23 01:34:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 900 transitions. [2021-11-23 01:34:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:10,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:10,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:10,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:10,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:10,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:10,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:11,118 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:11,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:11,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:11,415 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:11,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:11,942 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:11,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 720 states and 901 transitions. [2021-11-23 01:34:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 901 transitions. [2021-11-23 01:34:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:11,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:11,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:12,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:12,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:12,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:12,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:12,261 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:12,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:12,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:12,649 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:12,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:13,284 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:13,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 721 states and 902 transitions. [2021-11-23 01:34:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 902 transitions. [2021-11-23 01:34:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:13,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:13,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:13,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:13,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:13,559 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 [2021-11-23 01:34:13,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:13,719 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:13,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:14,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:14,179 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:14,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:14,961 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:14,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 722 states and 903 transitions. [2021-11-23 01:34:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 903 transitions. [2021-11-23 01:34:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:14,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:14,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:15,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:15,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:15,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:15,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:15,285 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:15,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:15,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:15,665 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:15,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:15,813 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:15,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 723 states and 904 transitions. [2021-11-23 01:34:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 904 transitions. [2021-11-23 01:34:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:15,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:15,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:16,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:16,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:16,020 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:16,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:16,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:16,042 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:16,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:16,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:16,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:16,098 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:16,098 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:16,690 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:16,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 724 states and 905 transitions. [2021-11-23 01:34:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 905 transitions. [2021-11-23 01:34:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:16,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:16,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:16,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:16,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:16,893 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:16,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:16,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:16,915 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:16,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:16,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:16,965 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:16,965 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:17,679 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:17,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 725 states and 906 transitions. [2021-11-23 01:34:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 906 transitions. [2021-11-23 01:34:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:17,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:17,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:17,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:17,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:17,916 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:17,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:17,925 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 [2021-11-23 01:34:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:17,937 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:17,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:18,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:18,309 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:18,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:19,041 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:19,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 726 states and 907 transitions. [2021-11-23 01:34:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 907 transitions. [2021-11-23 01:34:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:19,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:19,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:19,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:34:19,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:19,249 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:34:19,249 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:34:19,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:19,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:19,628 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:34:19,628 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:34:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 727 states and 908 transitions. [2021-11-23 01:34:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 908 transitions. [2021-11-23 01:34:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:20,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:20,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:20,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:20,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:20,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:20,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:20,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:20,775 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:20,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:21,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:21,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:21,157 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:21,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:22,000 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:22,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 728 states and 909 transitions. [2021-11-23 01:34:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 909 transitions. [2021-11-23 01:34:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:22,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:22,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:22,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:22,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:22,251 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:22,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:22,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:22,272 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:22,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:22,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:22,653 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:22,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:23,197 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:23,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 729 states and 910 transitions. [2021-11-23 01:34:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 910 transitions. [2021-11-23 01:34:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:23,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:23,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:23,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:23,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:23,406 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:23,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:23,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:23,430 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:23,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:23,729 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:23,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:24,600 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:24,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 730 states and 911 transitions. [2021-11-23 01:34:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 911 transitions. [2021-11-23 01:34:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:24,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:24,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:24,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:24,818 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:24,818 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:24,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:24,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:24,839 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:24,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:24,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:24,892 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:24,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:25,772 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:25,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 731 states and 912 transitions. [2021-11-23 01:34:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 912 transitions. [2021-11-23 01:34:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:25,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:25,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:25,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:25,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:26,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:26,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:26,145 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:26,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:26,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:26,452 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:26,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:27,215 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:27,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 732 states and 913 transitions. [2021-11-23 01:34:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 913 transitions. [2021-11-23 01:34:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:27,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:27,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:27,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:34:27,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:27,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:27,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:27,461 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:34:27,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:27,801 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:34:27,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:34:28,622 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:34:28,622 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 74 treesize of output 38 [2021-11-23 01:34:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 733 states and 914 transitions. [2021-11-23 01:34:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 914 transitions. [2021-11-23 01:34:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:28,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:28,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:34:28,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:28,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:28,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:28,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:28,941 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:34:28,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:34:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 734 states and 915 transitions. [2021-11-23 01:34:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 915 transitions. [2021-11-23 01:34:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:29,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:29,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:30,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:30,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:30,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:30,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:30,253 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:30,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:30,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:30,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:30,629 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:30,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:31,525 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:31,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 735 states and 916 transitions. [2021-11-23 01:34:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 916 transitions. [2021-11-23 01:34:31,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:31,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:31,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:31,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:31,784 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:31,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:31,793 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 [2021-11-23 01:34:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:31,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:31,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:32,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:32,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:32,201 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:32,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:33,084 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:33,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 736 states and 917 transitions. [2021-11-23 01:34:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 917 transitions. [2021-11-23 01:34:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:33,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:33,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:33,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:33,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:33,328 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:33,329 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:33,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:33,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:33,350 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:33,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:33,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:33,403 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:33,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:34,156 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:34,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 737 states and 918 transitions. [2021-11-23 01:34:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 918 transitions. [2021-11-23 01:34:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:34,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:34,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:34,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:34:34,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:34,371 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:34:34,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:34:34,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:34,415 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:34:34,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:34,756 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:34:34,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:34:35,577 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:34:35,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:34:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 738 states and 919 transitions. [2021-11-23 01:34:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 919 transitions. [2021-11-23 01:34:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:35,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:35,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:35,815 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:35,815 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:35,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:35,836 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:35,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:36,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:36,217 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:36,217 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:37,099 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:37,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 739 states and 920 transitions. [2021-11-23 01:34:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 920 transitions. [2021-11-23 01:34:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:37,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:37,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:37,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:37,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:37,321 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:37,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:37,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:37,341 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:37,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:37,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:37,721 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:37,721 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:38,636 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:38,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 740 states and 921 transitions. [2021-11-23 01:34:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 921 transitions. [2021-11-23 01:34:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:38,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:38,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:38,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:38,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:38,830 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:38,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:38,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:38,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:38,851 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:38,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:39,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:39,155 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:39,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:39,707 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:39,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 741 states and 922 transitions. [2021-11-23 01:34:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 922 transitions. [2021-11-23 01:34:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:39,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:39,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:39,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:39,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:39,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:39,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:40,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:40,057 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:40,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:40,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:40,113 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:40,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:41,010 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:41,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 742 states and 923 transitions. [2021-11-23 01:34:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 923 transitions. [2021-11-23 01:34:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:41,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:41,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:41,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:41,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:41,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:41,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:41,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:41,371 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:41,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:41,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:41,680 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:41,680 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:42,458 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:42,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 743 states and 924 transitions. [2021-11-23 01:34:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 924 transitions. [2021-11-23 01:34:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:42,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:42,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:42,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:42,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:42,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:42,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:42,804 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:42,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:43,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:43,106 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:43,106 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:43,654 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:43,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 744 states and 925 transitions. [2021-11-23 01:34:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 925 transitions. [2021-11-23 01:34:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:43,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:43,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:43,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:43,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:43,882 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:43,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:43,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:43,904 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:43,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:43,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:43,956 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:43,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:44,555 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:44,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 745 states and 926 transitions. [2021-11-23 01:34:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 926 transitions. [2021-11-23 01:34:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:44,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:44,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:44,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:44,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:44,868 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:44,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:44,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:44,920 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:44,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:45,858 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:45,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 746 states and 927 transitions. [2021-11-23 01:34:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 927 transitions. [2021-11-23 01:34:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:45,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:45,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:46,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:46,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:46,089 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:46,089 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:46,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:46,111 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:46,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:46,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:46,164 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:46,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:46,938 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:46,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 747 states and 928 transitions. [2021-11-23 01:34:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 928 transitions. [2021-11-23 01:34:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:46,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:46,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:47,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:47,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:47,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:47,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:47,320 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:47,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:47,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:47,623 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:47,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:48,491 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:48,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 748 states and 929 transitions. [2021-11-23 01:34:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 929 transitions. [2021-11-23 01:34:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:48,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:48,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:48,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:48,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:48,698 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 [2021-11-23 01:34:48,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:48,831 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:48,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:49,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:49,222 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:49,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:49,970 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:49,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 749 states and 930 transitions. [2021-11-23 01:34:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 930 transitions. [2021-11-23 01:34:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:49,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:49,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:50,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:50,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:50,197 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:50,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:50,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:50,217 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:50,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:50,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:50,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:50,599 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:50,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:51,445 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:51,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 750 states and 931 transitions. [2021-11-23 01:34:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 931 transitions. [2021-11-23 01:34:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:51,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:51,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:51,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:34:51,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:51,655 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:34:51,656 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:34:51,666 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 [2021-11-23 01:34:51,706 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:34:51,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:51,851 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:34:51,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:34:52,828 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:34:52,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:34:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 751 states and 932 transitions. [2021-11-23 01:34:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 932 transitions. [2021-11-23 01:34:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:52,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:52,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:53,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:34:53,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:53,064 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:34:53,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:34:53,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:53,112 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:34:53,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:53,257 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:34:53,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:34:54,109 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:34:54,110 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 74 treesize of output 38 [2021-11-23 01:34:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 752 states and 933 transitions. [2021-11-23 01:34:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 933 transitions. [2021-11-23 01:34:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:54,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:54,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:54,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:54,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:54,448 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:54,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:54,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:54,754 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:54,754 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:55,496 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:55,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 753 states and 934 transitions. [2021-11-23 01:34:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 934 transitions. [2021-11-23 01:34:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:55,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:55,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:55,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:55,700 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:55,700 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:55,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:55,723 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:55,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:56,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:56,027 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:56,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:56,751 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:56,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 754 states and 935 transitions. [2021-11-23 01:34:56,778 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 935 transitions. [2021-11-23 01:34:56,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:56,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:56,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:56,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:56,938 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 [2021-11-23 01:34:56,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:57,071 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:57,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:57,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:57,124 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:57,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:58,027 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:58,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 755 states and 936 transitions. [2021-11-23 01:34:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 936 transitions. [2021-11-23 01:34:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:58,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:58,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:58,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:58,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:58,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:58,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:34:58,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:58,380 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:58,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:34:58,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:34:58,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:58,774 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:34:58,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:34:59,691 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:34:59,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:34:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 756 states and 937 transitions. [2021-11-23 01:34:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 937 transitions. [2021-11-23 01:34:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:59,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:59,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:59,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:34:59,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:59,934 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:34:59,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:34:59,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:34:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:59,956 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:34:59,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:00,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:00,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:00,010 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:00,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:00,818 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:00,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 757 states and 938 transitions. [2021-11-23 01:35:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 938 transitions. [2021-11-23 01:35:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:00,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:01,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:01,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:01,068 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 [2021-11-23 01:35:01,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:01,208 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:01,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:01,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:01,262 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:01,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:01,875 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:01,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 758 states and 939 transitions. [2021-11-23 01:35:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 939 transitions. [2021-11-23 01:35:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:01,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:01,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:02,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:02,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:02,104 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 [2021-11-23 01:35:02,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:02,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:02,237 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:02,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:02,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:02,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:02,546 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:02,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:03,297 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:03,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 759 states and 940 transitions. [2021-11-23 01:35:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 940 transitions. [2021-11-23 01:35:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:03,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:03,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:03,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:03,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:03,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:03,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:03,544 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:03,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:03,670 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:03,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:04,451 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:04,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 760 states and 941 transitions. [2021-11-23 01:35:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 941 transitions. [2021-11-23 01:35:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:04,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:04,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:04,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:04,678 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:04,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:04,687 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 [2021-11-23 01:35:04,724 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:04,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:04,969 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:04,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:05,846 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:05,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 761 states and 942 transitions. [2021-11-23 01:35:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 942 transitions. [2021-11-23 01:35:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:05,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:06,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:06,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:06,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:06,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:06,191 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:06,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:06,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:06,510 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:06,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:07,434 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:07,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 762 states and 943 transitions. [2021-11-23 01:35:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 943 transitions. [2021-11-23 01:35:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:07,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:07,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:07,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:07,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:07,787 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:07,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:08,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:08,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:08,187 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:08,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:08,940 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:08,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 763 states and 944 transitions. [2021-11-23 01:35:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 944 transitions. [2021-11-23 01:35:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:08,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:09,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:09,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:09,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:09,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:09,271 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:09,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:09,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:09,667 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:09,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:10,235 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:10,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 764 states and 945 transitions. [2021-11-23 01:35:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 945 transitions. [2021-11-23 01:35:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:10,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:10,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:10,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:10,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:10,579 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:10,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:10,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:10,889 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:10,889 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:11,697 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:11,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 765 states and 946 transitions. [2021-11-23 01:35:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 946 transitions. [2021-11-23 01:35:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:11,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:11,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:11,938 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:11,938 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:11,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:11,981 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:11,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:12,233 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:12,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:12,858 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:12,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 766 states and 947 transitions. [2021-11-23 01:35:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 947 transitions. [2021-11-23 01:35:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:12,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:13,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:13,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:13,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:13,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:13,223 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:13,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:13,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:13,279 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:13,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:13,842 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:13,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 767 states and 948 transitions. [2021-11-23 01:35:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 948 transitions. [2021-11-23 01:35:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:13,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:13,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:14,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:14,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:14,093 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:14,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:14,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:14,114 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:14,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:14,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:14,520 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:14,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:15,329 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:15,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 768 states and 949 transitions. [2021-11-23 01:35:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 949 transitions. [2021-11-23 01:35:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:15,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:15,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:15,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:15,560 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:15,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:15,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:15,582 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:15,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:15,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:15,980 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:15,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:16,565 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:16,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 769 states and 950 transitions. [2021-11-23 01:35:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 950 transitions. [2021-11-23 01:35:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:16,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:16,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:16,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:16,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:16,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:16,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:16,909 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:16,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:17,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:17,312 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:17,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:17,931 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:17,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:17,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 770 states and 951 transitions. [2021-11-23 01:35:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 951 transitions. [2021-11-23 01:35:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:17,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:17,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:18,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:35:18,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:18,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:18,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:18,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:18,623 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:35:18,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:35:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 771 states and 952 transitions. [2021-11-23 01:35:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 952 transitions. [2021-11-23 01:35:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:19,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:19,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:19,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:19,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:19,804 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:19,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:20,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:20,205 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:20,813 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:20,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 772 states and 953 transitions. [2021-11-23 01:35:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 953 transitions. [2021-11-23 01:35:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:20,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:20,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:21,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:21,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:21,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:21,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:21,072 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:21,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:21,339 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:21,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:21,975 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:21,976 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 74 treesize of output 38 [2021-11-23 01:35:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 773 states and 954 transitions. [2021-11-23 01:35:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 954 transitions. [2021-11-23 01:35:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:22,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:22,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:22,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:22,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:22,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:22,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:22,368 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:22,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:22,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:22,798 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:22,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:23,739 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:23,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 774 states and 955 transitions. [2021-11-23 01:35:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 955 transitions. [2021-11-23 01:35:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:23,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:23,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:23,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:23,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:24,100 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:24,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:24,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:24,412 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:24,413 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:24,963 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:24,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 775 states and 956 transitions. [2021-11-23 01:35:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 956 transitions. [2021-11-23 01:35:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:24,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:24,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:25,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:25,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:25,181 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:25,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:25,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:25,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:25,203 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:25,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:25,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:25,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:25,259 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:25,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:25,880 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:25,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 776 states and 957 transitions. [2021-11-23 01:35:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 957 transitions. [2021-11-23 01:35:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:25,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:25,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:26,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:26,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:26,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:26,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:26,126 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:26,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:26,273 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:26,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:26,903 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:26,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 777 states and 958 transitions. [2021-11-23 01:35:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 958 transitions. [2021-11-23 01:35:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:26,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:26,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:27,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:27,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:27,109 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:27,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:27,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:27,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:27,129 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:27,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:27,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:27,183 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:27,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:28,085 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:28,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 778 states and 959 transitions. [2021-11-23 01:35:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 959 transitions. [2021-11-23 01:35:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:28,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:28,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:28,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:35:28,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:28,271 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:28,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:28,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:28,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:29,075 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:35:29,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:35:30,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 779 states and 960 transitions. [2021-11-23 01:35:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 960 transitions. [2021-11-23 01:35:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:30,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:30,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:30,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:30,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:30,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:30,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:30,731 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:30,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:30,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:30,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:30,787 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:30,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:31,389 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:31,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 780 states and 961 transitions. [2021-11-23 01:35:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 961 transitions. [2021-11-23 01:35:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:31,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:31,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:31,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:31,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:31,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:31,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:31,595 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:31,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:31,865 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:31,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:32,828 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:32,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 781 states and 962 transitions. [2021-11-23 01:35:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 962 transitions. [2021-11-23 01:35:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:32,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:33,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:33,067 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:33,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:33,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:33,115 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:33,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:33,411 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:33,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:34,215 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:34,216 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 74 treesize of output 38 [2021-11-23 01:35:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 782 states and 963 transitions. [2021-11-23 01:35:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 963 transitions. [2021-11-23 01:35:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:34,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:34,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:34,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:34,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:34,593 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:34,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:34,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:34,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:34,656 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:34,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:35,279 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:35,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:35,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 783 states and 964 transitions. [2021-11-23 01:35:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 964 transitions. [2021-11-23 01:35:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:35,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:35,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:35,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:35,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:35,524 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:35,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:35,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:35,543 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:35,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:35,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:35,861 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:35,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:36,329 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:36,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 784 states and 965 transitions. [2021-11-23 01:35:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 965 transitions. [2021-11-23 01:35:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:36,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:36,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:36,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:36,589 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:36,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:36,599 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 [2021-11-23 01:35:36,634 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:36,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:37,023 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:37,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:37,844 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:37,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 785 states and 966 transitions. [2021-11-23 01:35:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 966 transitions. [2021-11-23 01:35:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:37,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:37,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:38,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:38,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:38,076 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:38,077 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:38,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:38,120 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:38,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:38,463 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:38,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:39,303 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:39,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:39,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 786 states and 967 transitions. [2021-11-23 01:35:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 967 transitions. [2021-11-23 01:35:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:39,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:39,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:39,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:39,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:39,552 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:39,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:39,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:39,599 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:39,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:39,727 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:39,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:40,647 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:40,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 787 states and 968 transitions. [2021-11-23 01:35:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 968 transitions. [2021-11-23 01:35:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:40,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:40,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:40,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:40,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:40,854 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:40,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:40,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:40,878 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:40,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:40,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:40,933 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:40,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:41,504 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:41,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 788 states and 969 transitions. [2021-11-23 01:35:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 969 transitions. [2021-11-23 01:35:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:41,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:41,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:41,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:41,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:41,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:41,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:41,862 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:41,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:42,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:42,265 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:42,265 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:42,433 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:42,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 789 states and 970 transitions. [2021-11-23 01:35:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 970 transitions. [2021-11-23 01:35:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:42,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:42,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:42,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:42,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:42,636 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:42,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:42,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:42,657 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:42,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:43,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:43,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:43,062 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:43,063 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:43,534 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:43,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 790 states and 971 transitions. [2021-11-23 01:35:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 971 transitions. [2021-11-23 01:35:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:43,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:43,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:43,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:43,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:43,797 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:43,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:43,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:43,819 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:43,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:44,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:44,232 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:44,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:44,805 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:44,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 791 states and 972 transitions. [2021-11-23 01:35:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 972 transitions. [2021-11-23 01:35:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:44,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:44,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:45,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:45,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:45,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:45,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:45,071 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:45,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:45,220 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:45,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:46,043 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:46,044 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 74 treesize of output 38 [2021-11-23 01:35:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 792 states and 973 transitions. [2021-11-23 01:35:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 973 transitions. [2021-11-23 01:35:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:46,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:46,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:46,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:46,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:46,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:46,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:46,403 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:46,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:46,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:46,456 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:46,456 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:47,225 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:47,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 793 states and 974 transitions. [2021-11-23 01:35:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 974 transitions. [2021-11-23 01:35:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:47,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:47,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:47,463 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:47,464 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:47,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:47,488 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:47,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:47,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:47,541 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:47,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:48,164 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:48,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 794 states and 975 transitions. [2021-11-23 01:35:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 975 transitions. [2021-11-23 01:35:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:48,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:48,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:48,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:48,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:48,421 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:48,421 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:48,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:48,446 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:48,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:48,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:48,851 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:48,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:49,018 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:49,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 795 states and 976 transitions. [2021-11-23 01:35:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 976 transitions. [2021-11-23 01:35:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:49,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:49,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:49,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:49,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:49,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:49,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:49,378 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:49,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:49,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:49,433 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:49,433 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:50,183 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:50,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 796 states and 977 transitions. [2021-11-23 01:35:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 977 transitions. [2021-11-23 01:35:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:50,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:50,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:50,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:50,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:50,395 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:50,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:50,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:50,416 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:50,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:50,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:50,471 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:50,471 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:50,627 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:50,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 797 states and 978 transitions. [2021-11-23 01:35:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 978 transitions. [2021-11-23 01:35:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:50,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:50,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:50,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:50,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:50,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:50,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:50,865 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:50,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:51,001 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:51,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:51,930 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:51,930 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 74 treesize of output 38 [2021-11-23 01:35:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 798 states and 979 transitions. [2021-11-23 01:35:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 979 transitions. [2021-11-23 01:35:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:51,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:52,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:52,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:52,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:52,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:52,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:52,297 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:52,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:52,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:52,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:52,705 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:52,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:53,634 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:53,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 799 states and 980 transitions. [2021-11-23 01:35:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 980 transitions. [2021-11-23 01:35:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:53,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:53,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:35:53,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:53,929 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:35:53,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:35:53,938 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 [2021-11-23 01:35:53,974 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:35:53,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:54,269 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:35:54,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:35:55,173 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:35:55,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:35:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 800 states and 981 transitions. [2021-11-23 01:35:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 981 transitions. [2021-11-23 01:35:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:55,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:55,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:55,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:55,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:55,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:55,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:55,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:55,951 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:55,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:56,919 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:56,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 801 states and 982 transitions. [2021-11-23 01:35:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 982 transitions. [2021-11-23 01:35:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:56,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:57,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:57,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:57,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:35:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:57,296 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:57,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:57,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:57,352 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:57,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:57,990 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:57,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 802 states and 983 transitions. [2021-11-23 01:35:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 983 transitions. [2021-11-23 01:35:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:58,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:58,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:58,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:58,225 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:58,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:58,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:58,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:58,248 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:58,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:35:58,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:35:58,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:58,571 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:35:58,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:35:59,505 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:35:59,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:35:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 803 states and 984 transitions. [2021-11-23 01:35:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 984 transitions. [2021-11-23 01:35:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:59,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:59,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:59,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:35:59,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:59,736 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:35:59,736 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:35:59,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:35:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:35:59,754 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:35:59,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:00,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:00,164 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:00,164 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:00,786 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:00,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:00,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 804 states and 985 transitions. [2021-11-23 01:36:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 985 transitions. [2021-11-23 01:36:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:00,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:00,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:01,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:01,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:01,032 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:01,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:01,046 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 [2021-11-23 01:36:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:01,059 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:01,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:01,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:01,115 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:01,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:01,927 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:01,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 805 states and 986 transitions. [2021-11-23 01:36:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 986 transitions. [2021-11-23 01:36:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:01,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:01,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:02,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:02,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:02,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:02,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:02,297 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:02,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:02,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:02,623 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:02,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:03,214 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:03,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 806 states and 987 transitions. [2021-11-23 01:36:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 987 transitions. [2021-11-23 01:36:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:03,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:03,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:03,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:03,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:03,601 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:03,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:03,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:03,654 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:03,654 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:04,145 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:04,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 807 states and 988 transitions. [2021-11-23 01:36:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 988 transitions. [2021-11-23 01:36:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:04,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:36:04,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:04,389 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:36:04,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:36:04,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:04,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:04,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:05,364 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:36:05,365 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:36:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 808 states and 989 transitions. [2021-11-23 01:36:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 989 transitions. [2021-11-23 01:36:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:06,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:06,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:06,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:06,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:06,520 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 [2021-11-23 01:36:06,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:06,662 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:06,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:06,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:06,718 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:06,718 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:07,217 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:07,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 809 states and 990 transitions. [2021-11-23 01:36:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 990 transitions. [2021-11-23 01:36:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:07,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:07,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:07,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:07,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:07,487 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:07,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:07,845 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:07,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:08,799 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:08,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:36:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 810 states and 991 transitions. [2021-11-23 01:36:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 991 transitions. [2021-11-23 01:36:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:08,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:09,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:09,048 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:36:09,048 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:36:09,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:09,092 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:09,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:09,440 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:09,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:10,287 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:10,287 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 74 treesize of output 38 [2021-11-23 01:36:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 811 states and 992 transitions. [2021-11-23 01:36:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 992 transitions. [2021-11-23 01:36:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:10,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:10,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:10,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:10,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:10,632 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:10,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:11,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:11,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:11,054 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:11,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:11,843 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:11,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 812 states and 993 transitions. [2021-11-23 01:36:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 993 transitions. [2021-11-23 01:36:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:11,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:12,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:12,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:12,080 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:12,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:12,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:12,101 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:12,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:12,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:12,157 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:12,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:12,916 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:12,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 813 states and 994 transitions. [2021-11-23 01:36:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 994 transitions. [2021-11-23 01:36:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:12,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:12,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:13,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:13,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:13,186 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:13,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:13,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:13,207 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:13,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:13,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:13,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:13,626 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:13,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:14,485 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:14,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 814 states and 995 transitions. [2021-11-23 01:36:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 995 transitions. [2021-11-23 01:36:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:14,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:14,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:14,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:14,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:14,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:14,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:14,861 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:14,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:14,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:14,919 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:14,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:15,748 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:15,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 815 states and 996 transitions. [2021-11-23 01:36:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 996 transitions. [2021-11-23 01:36:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:15,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:15,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:16,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:16,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:16,037 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:16,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:16,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:16,065 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:16,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:16,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:16,131 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:16,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:16,764 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:16,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 816 states and 997 transitions. [2021-11-23 01:36:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 997 transitions. [2021-11-23 01:36:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:16,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:16,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:16,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:36:16,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:17,012 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:36:17,012 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:36:17,022 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 [2021-11-23 01:36:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:17,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:17,419 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:36:17,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:36:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 817 states and 998 transitions. [2021-11-23 01:36:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 998 transitions. [2021-11-23 01:36:17,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:17,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:17,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:17,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:17,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:17,854 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:17,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:17,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:17,876 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:17,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:18,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:18,204 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:18,204 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:18,982 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:18,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 818 states and 999 transitions. [2021-11-23 01:36:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 999 transitions. [2021-11-23 01:36:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:19,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:19,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:19,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:19,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:19,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:19,397 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:19,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:19,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:19,452 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:19,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:20,038 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:20,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:20,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 819 states and 1000 transitions. [2021-11-23 01:36:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1000 transitions. [2021-11-23 01:36:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:20,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:20,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:20,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:20,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:20,278 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 [2021-11-23 01:36:20,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:20,418 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:20,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:20,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:20,756 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:20,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:21,403 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:21,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 820 states and 1001 transitions. [2021-11-23 01:36:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1001 transitions. [2021-11-23 01:36:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:21,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:21,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:21,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:21,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:21,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:21,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:21,749 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:21,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:22,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:22,080 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:22,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:22,724 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:22,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 821 states and 1002 transitions. [2021-11-23 01:36:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1002 transitions. [2021-11-23 01:36:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:22,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:22,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:22,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:22,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:22,964 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:22,964 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:22,972 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 [2021-11-23 01:36:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:22,984 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:22,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:23,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:23,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:23,038 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:23,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:23,736 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:23,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 822 states and 1003 transitions. [2021-11-23 01:36:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1003 transitions. [2021-11-23 01:36:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:23,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:23,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:23,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:23,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:23,976 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 [2021-11-23 01:36:23,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:24,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:24,119 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:24,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:24,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:24,476 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:24,476 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:25,326 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:25,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 823 states and 1004 transitions. [2021-11-23 01:36:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1004 transitions. [2021-11-23 01:36:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:25,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:25,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:25,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:25,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:25,559 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 [2021-11-23 01:36:25,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:25,586 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:25,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:25,743 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:25,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:26,589 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:26,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:36:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 824 states and 1005 transitions. [2021-11-23 01:36:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1005 transitions. [2021-11-23 01:36:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:26,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:26,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:26,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:26,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:26,954 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:26,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:27,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:27,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:27,011 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:27,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:27,976 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:27,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 825 states and 1006 transitions. [2021-11-23 01:36:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1006 transitions. [2021-11-23 01:36:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:28,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:28,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:28,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:28,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:28,224 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 [2021-11-23 01:36:28,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:28,366 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:28,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:28,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:28,422 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:28,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:29,378 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:29,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 826 states and 1007 transitions. [2021-11-23 01:36:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1007 transitions. [2021-11-23 01:36:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:29,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:29,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:29,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:29,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:29,613 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:36:29,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:36:29,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:29,657 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:29,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:30,042 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:30,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:30,713 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:30,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:36:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 827 states and 1008 transitions. [2021-11-23 01:36:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1008 transitions. [2021-11-23 01:36:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:30,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:30,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:30,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:30,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:30,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:30,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:31,088 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:31,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:31,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:31,142 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:31,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:32,112 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:32,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:32,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:32,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 828 states and 1009 transitions. [2021-11-23 01:36:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1009 transitions. [2021-11-23 01:36:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:32,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:32,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:32,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:32,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:32,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:32,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:32,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:32,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:32,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:32,563 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:32,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:33,339 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:33,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 829 states and 1010 transitions. [2021-11-23 01:36:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1010 transitions. [2021-11-23 01:36:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:33,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:33,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:33,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:33,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:33,553 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:33,553 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:33,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:33,577 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:33,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:34,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:34,019 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:34,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:34,687 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:34,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 830 states and 1011 transitions. [2021-11-23 01:36:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1011 transitions. [2021-11-23 01:36:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:34,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:34,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:34,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:34,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:34,919 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:34,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:34,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:34,941 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:34,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:35,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:35,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:35,371 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:35,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:36,193 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:36,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 831 states and 1012 transitions. [2021-11-23 01:36:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1012 transitions. [2021-11-23 01:36:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:36,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:36,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:36,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:36,457 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:36,457 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:36,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:36,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:36,477 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:36,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:36,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:36,900 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:36,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:37,567 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:37,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 832 states and 1013 transitions. [2021-11-23 01:36:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1013 transitions. [2021-11-23 01:36:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:37,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:37,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:37,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:37,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:37,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:37,930 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:37,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:38,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:38,345 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:38,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:39,142 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:39,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 833 states and 1014 transitions. [2021-11-23 01:36:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1014 transitions. [2021-11-23 01:36:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:39,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:39,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:39,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:39,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:39,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:39,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:39,537 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:39,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:39,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:39,876 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:39,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:40,695 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:40,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 834 states and 1015 transitions. [2021-11-23 01:36:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1015 transitions. [2021-11-23 01:36:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:40,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:40,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:40,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:40,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:40,925 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:36:40,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:36:40,935 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 [2021-11-23 01:36:40,972 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:40,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:41,328 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:41,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:42,264 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:42,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:36:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 835 states and 1016 transitions. [2021-11-23 01:36:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1016 transitions. [2021-11-23 01:36:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:42,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:42,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:42,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:42,508 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:42,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:42,516 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 [2021-11-23 01:36:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:42,528 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:42,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:42,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:42,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:42,874 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:42,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:43,660 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:43,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 836 states and 1017 transitions. [2021-11-23 01:36:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1017 transitions. [2021-11-23 01:36:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:43,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:43,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:43,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:43,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:43,900 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 [2021-11-23 01:36:43,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:44,046 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:44,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:44,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:44,489 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:44,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:45,079 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:45,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 837 states and 1018 transitions. [2021-11-23 01:36:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1018 transitions. [2021-11-23 01:36:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:45,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:45,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:45,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:45,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:45,354 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:36:45,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:36:45,363 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 [2021-11-23 01:36:45,402 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:45,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:45,680 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:45,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:46,629 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:46,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:36:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 838 states and 1019 transitions. [2021-11-23 01:36:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1019 transitions. [2021-11-23 01:36:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:46,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:46,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:46,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:46,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:46,852 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:46,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:46,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:46,875 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:46,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:47,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:47,300 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:47,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:48,150 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:48,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 839 states and 1020 transitions. [2021-11-23 01:36:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1020 transitions. [2021-11-23 01:36:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:48,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:48,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:48,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:48,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:48,385 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:48,385 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:48,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:48,406 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:48,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:48,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:48,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:48,461 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:48,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:49,265 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:49,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 840 states and 1021 transitions. [2021-11-23 01:36:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1021 transitions. [2021-11-23 01:36:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:49,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:49,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:49,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:49,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:49,506 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:49,507 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:49,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:49,527 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:49,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:49,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:49,956 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:49,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:50,816 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:50,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 841 states and 1022 transitions. [2021-11-23 01:36:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1022 transitions. [2021-11-23 01:36:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:50,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:51,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:51,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:51,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:51,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:51,212 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:51,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:51,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:51,543 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:51,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:52,424 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:52,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 842 states and 1023 transitions. [2021-11-23 01:36:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1023 transitions. [2021-11-23 01:36:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:52,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:52,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:52,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:52,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:52,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:52,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:52,807 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:52,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:53,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:53,234 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:53,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:53,403 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:53,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 843 states and 1024 transitions. [2021-11-23 01:36:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1024 transitions. [2021-11-23 01:36:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:53,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:53,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:53,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:53,692 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:36:53,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:53,842 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:36:53,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:36:54,840 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:36:54,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:36:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 844 states and 1025 transitions. [2021-11-23 01:36:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1025 transitions. [2021-11-23 01:36:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:54,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:55,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:55,124 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:36:55,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:36:55,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:55,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:55,147 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:55,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:55,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:55,578 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:55,579 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:56,449 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:56,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 845 states and 1026 transitions. [2021-11-23 01:36:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1026 transitions. [2021-11-23 01:36:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:56,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:56,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:56,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:56,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:56,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:56,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:56,889 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:56,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:56,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:56,943 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:56,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:57,925 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:57,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 846 states and 1027 transitions. [2021-11-23 01:36:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1027 transitions. [2021-11-23 01:36:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:57,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:58,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:58,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:58,187 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 [2021-11-23 01:36:58,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:58,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:58,333 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:58,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:58,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:58,389 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:58,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:36:59,374 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:36:59,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:36:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 847 states and 1028 transitions. [2021-11-23 01:36:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1028 transitions. [2021-11-23 01:36:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:59,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:59,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:59,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:36:59,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:59,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:36:59,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:36:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:59,763 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:36:59,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:36:59,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:36:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:36:59,822 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:36:59,822 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:00,796 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:00,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:00,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 848 states and 1029 transitions. [2021-11-23 01:37:00,835 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1029 transitions. [2021-11-23 01:37:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:00,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:00,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:01,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:01,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:01,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:01,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:01,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:01,189 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:01,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:01,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:01,615 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:01,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:02,460 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:02,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 849 states and 1030 transitions. [2021-11-23 01:37:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1030 transitions. [2021-11-23 01:37:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:02,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:02,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:02,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:02,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:02,696 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:02,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:02,705 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 [2021-11-23 01:37:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:02,716 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:02,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:02,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:02,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:02,772 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:02,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:03,424 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:03,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 850 states and 1031 transitions. [2021-11-23 01:37:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1031 transitions. [2021-11-23 01:37:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:03,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:03,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:03,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:03,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:03,683 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:03,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:03,692 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 [2021-11-23 01:37:03,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:03,704 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:03,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:04,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:04,140 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:04,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:04,852 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:04,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 851 states and 1032 transitions. [2021-11-23 01:37:04,898 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1032 transitions. [2021-11-23 01:37:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:04,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:04,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:05,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:05,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:05,173 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:05,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:05,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:05,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:05,193 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:05,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:05,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:05,634 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:05,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:06,451 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:06,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 852 states and 1033 transitions. [2021-11-23 01:37:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1033 transitions. [2021-11-23 01:37:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:06,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:06,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:06,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:06,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:06,742 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:06,742 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:06,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:06,762 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:06,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:07,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:07,197 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:07,198 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:08,190 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:08,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 853 states and 1034 transitions. [2021-11-23 01:37:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1034 transitions. [2021-11-23 01:37:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:08,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:08,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:08,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:08,440 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:08,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:08,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:08,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:08,463 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:08,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:08,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:08,518 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:08,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:09,149 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:09,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 854 states and 1035 transitions. [2021-11-23 01:37:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1035 transitions. [2021-11-23 01:37:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:09,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:09,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:09,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:09,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:09,423 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 [2021-11-23 01:37:09,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:09,571 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:09,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:09,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:09,626 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:09,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:10,622 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:10,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 855 states and 1036 transitions. [2021-11-23 01:37:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1036 transitions. [2021-11-23 01:37:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:10,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:10,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:10,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:10,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:10,863 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:10,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:10,875 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 [2021-11-23 01:37:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:10,887 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:10,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:11,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:11,261 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:11,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:12,064 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:12,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 856 states and 1037 transitions. [2021-11-23 01:37:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1037 transitions. [2021-11-23 01:37:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:12,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:12,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:12,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:12,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:12,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:12,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:12,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:12,462 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:12,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:12,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:12,890 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:12,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:13,905 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:13,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 857 states and 1038 transitions. [2021-11-23 01:37:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1038 transitions. [2021-11-23 01:37:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:13,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:14,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:14,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:14,138 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 [2021-11-23 01:37:14,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:14,283 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:14,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:14,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:14,716 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:14,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:15,573 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:15,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 858 states and 1039 transitions. [2021-11-23 01:37:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1039 transitions. [2021-11-23 01:37:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:15,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:37:15,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:15,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:15,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:15,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:15,949 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:37:15,949 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 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:37:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 859 states and 1040 transitions. [2021-11-23 01:37:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1040 transitions. [2021-11-23 01:37:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:16,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:16,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:17,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:17,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:17,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:17,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:17,316 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:17,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:17,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:17,678 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:17,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:18,348 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:18,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 860 states and 1041 transitions. [2021-11-23 01:37:18,386 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1041 transitions. [2021-11-23 01:37:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:18,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:18,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:18,606 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:18,606 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:18,616 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 [2021-11-23 01:37:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:18,629 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:18,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:19,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:19,071 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:19,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:19,900 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:19,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 861 states and 1042 transitions. [2021-11-23 01:37:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1042 transitions. [2021-11-23 01:37:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:19,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:20,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:20,201 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:20,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:20,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,224 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:20,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:20,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:20,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,660 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:20,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:21,654 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:21,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 862 states and 1043 transitions. [2021-11-23 01:37:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1043 transitions. [2021-11-23 01:37:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:21,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:21,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:21,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:21,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:21,902 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:21,902 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:21,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:21,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:21,924 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:21,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:22,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:22,366 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:22,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:22,870 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:22,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 863 states and 1044 transitions. [2021-11-23 01:37:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1044 transitions. [2021-11-23 01:37:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:22,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:22,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:23,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:37:23,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:23,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:23,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:23,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:23,649 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:37:23,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:37:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 864 states and 1045 transitions. [2021-11-23 01:37:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1045 transitions. [2021-11-23 01:37:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:24,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:24,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:24,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:24,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:24,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:24,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:24,946 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:24,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:24,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:25,003 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:25,003 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:25,903 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:25,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 865 states and 1046 transitions. [2021-11-23 01:37:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1046 transitions. [2021-11-23 01:37:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:25,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:25,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:26,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:26,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:26,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:26,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:26,332 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:26,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:26,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:26,812 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:26,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:27,521 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:27,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 866 states and 1047 transitions. [2021-11-23 01:37:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1047 transitions. [2021-11-23 01:37:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:27,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:27,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:27,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:27,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:27,809 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:27,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:27,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:27,838 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:27,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:27,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:27,907 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:27,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:28,917 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:28,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 867 states and 1048 transitions. [2021-11-23 01:37:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1048 transitions. [2021-11-23 01:37:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:28,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:28,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:29,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:29,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:29,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:29,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:29,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:29,392 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:29,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:29,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:29,922 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:29,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:30,649 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:30,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 868 states and 1049 transitions. [2021-11-23 01:37:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1049 transitions. [2021-11-23 01:37:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:30,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:30,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:30,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:37:30,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:30,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:30,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:30,956 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:30,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:31,158 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:37:31,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:37:32,005 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:37:32,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:37:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 869 states and 1050 transitions. [2021-11-23 01:37:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1050 transitions. [2021-11-23 01:37:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:32,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:32,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:32,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:32,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:32,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:32,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:32,513 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:32,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:33,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:33,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:33,041 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:33,042 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:33,827 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:33,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 870 states and 1051 transitions. [2021-11-23 01:37:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1051 transitions. [2021-11-23 01:37:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:33,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:33,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:34,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:37:34,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:34,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:34,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:34,141 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:34,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:34,362 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:37:34,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:37:35,503 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:37:35,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:37:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 871 states and 1052 transitions. [2021-11-23 01:37:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1052 transitions. [2021-11-23 01:37:35,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:35,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:35,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:35,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:37:35,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:35,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:35,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:35,836 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:35,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:36,147 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:37:36,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:37:36,990 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:37:36,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:37:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 872 states and 1053 transitions. [2021-11-23 01:37:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1053 transitions. [2021-11-23 01:37:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:37,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:37,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:37,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:37,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:37,333 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:37,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:37,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:37,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:37,363 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:37,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:37,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:37,440 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:37,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:37,634 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:37,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 873 states and 1054 transitions. [2021-11-23 01:37:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1054 transitions. [2021-11-23 01:37:37,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:37,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:37,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:37,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:37,869 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 [2021-11-23 01:37:37,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:38,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:38,024 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:38,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:38,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:38,403 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:38,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:39,147 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:39,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 874 states and 1055 transitions. [2021-11-23 01:37:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1055 transitions. [2021-11-23 01:37:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:39,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:39,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:39,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:39,423 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:39,423 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 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:39,434 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 [2021-11-23 01:37:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:39,447 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:39,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:39,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:39,948 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:39,949 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:41,077 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:41,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 875 states and 1056 transitions. [2021-11-23 01:37:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1056 transitions. [2021-11-23 01:37:41,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:41,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:41,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:41,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:37:41,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:41,373 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:37:41,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:37:41,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:41,419 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:41,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:41,756 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:37:41,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:37:42,940 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:37:42,940 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 74 treesize of output 38 [2021-11-23 01:37:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 876 states and 1057 transitions. [2021-11-23 01:37:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1057 transitions. [2021-11-23 01:37:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:42,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:42,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:43,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:37:43,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:43,271 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:37:43,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:37:43,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:43,321 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:43,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:43,531 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:37:43,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:37:44,703 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:37:44,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:37:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 877 states and 1058 transitions. [2021-11-23 01:37:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1058 transitions. [2021-11-23 01:37:44,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:44,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:44,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:44,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:44,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:44,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:44,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:45,124 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:45,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:45,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:45,184 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:45,184 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:45,809 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:45,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 878 states and 1059 transitions. [2021-11-23 01:37:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1059 transitions. [2021-11-23 01:37:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:45,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:45,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:46,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:37:46,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:46,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:46,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:46,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:46,141 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:37:46,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:37:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 879 states and 1060 transitions. [2021-11-23 01:37:47,020 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1060 transitions. [2021-11-23 01:37:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:47,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:47,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:47,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:37:47,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:47,187 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:37:47,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:37:47,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:47,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:47,589 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 01:37:47,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:37:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 880 states and 1061 transitions. [2021-11-23 01:37:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1061 transitions. [2021-11-23 01:37:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:48,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:48,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:48,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:48,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:48,881 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:48,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:48,890 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 [2021-11-23 01:37:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:48,901 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:48,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:48,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:48,955 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:48,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:49,743 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:49,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 881 states and 1062 transitions. [2021-11-23 01:37:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1062 transitions. [2021-11-23 01:37:49,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:49,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:49,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:49,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:37:49,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:49,976 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 [2021-11-23 01:37:49,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:49,999 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:50,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:50,115 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 01:37:50,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 50 [2021-11-23 01:37:51,250 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 01:37:51,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 40 [2021-11-23 01:37:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 882 states and 1063 transitions. [2021-11-23 01:37:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2021-11-23 01:37:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:51,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:51,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:51,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:51,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:51,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:51,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:51,635 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:51,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:51,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:51,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:51,691 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:51,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:52,678 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:52,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 883 states and 1064 transitions. [2021-11-23 01:37:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1064 transitions. [2021-11-23 01:37:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:52,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:52,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:52,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:37:52,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:52,920 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 01:37:52,920 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 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 01:37:52,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:52,966 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:37:52,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:53,218 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 01:37:53,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 01:37:54,072 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-23 01:37:54,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-11-23 01:37:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 884 states and 1065 transitions. [2021-11-23 01:37:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1065 transitions. [2021-11-23 01:37:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:54,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:54,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:54,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:54,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:54,355 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 [2021-11-23 01:37:54,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 01:37:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:54,497 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:54,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:54,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:54,554 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:54,554 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 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:55,193 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:55,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 885 states and 1066 transitions. [2021-11-23 01:37:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1066 transitions. [2021-11-23 01:37:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:55,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:55,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:55,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:55,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:55,435 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:55,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:55,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:55,456 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:55,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:55,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:55,861 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:55,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-11-23 01:37:56,816 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 01:37:56,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 40 [2021-11-23 01:37:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 886 states and 1067 transitions. [2021-11-23 01:37:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1067 transitions. [2021-11-23 01:37:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:56,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:56,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:57,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:37:57,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:57,038 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:37:57,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 01:37:57,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 01:37:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:57,058 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:37:57,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 01:37:57,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:37:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:57,377 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:37:57,377 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 4 case distinctions, treesize of input 51 treesize of output 44