./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcomp.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_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/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_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/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_79d44f19-d579-41f2-851e-a49c97ed44a5/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 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:18,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:18,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:18,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:18,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:18,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:18,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:18,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:18,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:18,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:18,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:18,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:18,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:18,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:18,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:19,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:19,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:19,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:19,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:19,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:19,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:19,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:19,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:19,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:19,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:19,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:19,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:19,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:19,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:19,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:19,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:19,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:19,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:19,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:19,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:19,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:19,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:19,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:19,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:19,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:19,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:19,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:09:19,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:19,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:19,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:19,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:19,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:19,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:19,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:19,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:19,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:09:19,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:19,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:19,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:19,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:19,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:19,106 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:19,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:19,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:19,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:19,107 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:19,107 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:19,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:19,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:19,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:19,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:19,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:19,109 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:09:19,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:09:19,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:19,109 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_79d44f19-d579-41f2-851e-a49c97ed44a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2021-11-23 01:09:19,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:19,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:19,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:19,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:19,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:19,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/ifcomp.c [2021-11-23 01:09:19,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/data/9c4ec1958/a310ade2e33e403187f64d5795b0b16a/FLAG10ce0aac0 [2021-11-23 01:09:20,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:20,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/sv-benchmarks/c/array-fpi/ifcomp.c [2021-11-23 01:09:20,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/data/9c4ec1958/a310ade2e33e403187f64d5795b0b16a/FLAG10ce0aac0 [2021-11-23 01:09:20,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/data/9c4ec1958/a310ade2e33e403187f64d5795b0b16a [2021-11-23 01:09:20,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:20,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:20,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:20,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:20,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:20,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c85dffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20, skipping insertion in model container [2021-11-23 01:09:20,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:20,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:20,681 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_79d44f19-d579-41f2-851e-a49c97ed44a5/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2021-11-23 01:09:20,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:20,712 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:20,724 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_79d44f19-d579-41f2-851e-a49c97ed44a5/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2021-11-23 01:09:20,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:20,748 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:20,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20 WrapperNode [2021-11-23 01:09:20,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:20,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:20,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:20,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:20,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,789 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2021-11-23 01:09:20,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:20,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:20,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:20,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:20,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:20,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:20,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:20,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:20,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:20" (1/1) ... [2021-11-23 01:09:20,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:20,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:20,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d44f19-d579-41f2-851e-a49c97ed44a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:09:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:09:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:09:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:09:21,037 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:21,039 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:21,284 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:09:21,375 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:09:21,375 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:09:21,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:21 BoogieIcfgContainer [2021-11-23 01:09:21,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:09:21,379 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:09:21,379 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:09:21,394 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:09:21,394 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:21" (1/1) ... [2021-11-23 01:09:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:09:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:09:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:09:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:09:21,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:21,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:21,715 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 01:09:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:09:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:09:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:21,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:21,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:21,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:09:21,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:09:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:09:22,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:22,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:22,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:22,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:09:22,241 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:09:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:22,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:22,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:22,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:22,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:22,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:09:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2021-11-23 01:09:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2021-11-23 01:09:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:22,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:22,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:22,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:09:22,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2021-11-23 01:09:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2021-11-23 01:09:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:09:23,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:23,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:23,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:09:23,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:09:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 01:09:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 01:09:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:24,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:24,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:24,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:09:24,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:24,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:09:24,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:09:24,837 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:09:24,838 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 31 treesize of output 29 [2021-11-23 01:09:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-11-23 01:09:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-11-23 01:09:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:26,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:26,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:26,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:09:26,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-11-23 01:09:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-11-23 01:09:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:09:27,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:27,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:27,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:09:27,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:09:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2021-11-23 01:09:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2021-11-23 01:09:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:09:29,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:29,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:29,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:09:29,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:09:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-23 01:09:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-23 01:09:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:09:30,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:30,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:30,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:09:30,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:30,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:09:30,929 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:09:30,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 29 [2021-11-23 01:09:31,132 INFO L354 Elim1Store]: treesize reduction 172, result has 23.6 percent of original size [2021-11-23 01:09:31,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 54 treesize of output 72 [2021-11-23 01:09:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:09:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-11-23 01:09:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-11-23 01:09:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:09:31,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:31,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:32,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:09:32,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:32,180 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 14 treesize of output 12 [2021-11-23 01:09:32,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:09:32,516 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:09:32,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:09:32,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:09:32,915 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:09:32,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:09:33,476 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:09:33,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:09:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 92 transitions. [2021-11-23 01:09:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2021-11-23 01:09:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:09:41,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:41,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:41,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:09:41,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:41,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:09:41,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:09:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:09:42,171 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:09:42,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:09:42,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:09:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:09:43,223 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:09:43,224 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 38 treesize of output 32 [2021-11-23 01:09:43,825 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:09:43,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:09:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 50 states and 116 transitions. [2021-11-23 01:10:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 116 transitions. [2021-11-23 01:10:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:10:12,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:12,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:13,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:10:13,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:13,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:10:13,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:10:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:10:13,558 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:10:13,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:10:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:10:13,997 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:10:13,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:10:14,268 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:10:14,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:10:21,527 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:10:21,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:10:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 55 states and 136 transitions. [2021-11-23 01:10:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 136 transitions. [2021-11-23 01:10:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:10:43,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:43,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:44,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:10:44,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:44,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:10:44,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:10:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:10:44,172 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:10:44,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:10:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:10:44,462 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:10:44,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:10:44,704 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:10:44,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:10:48,499 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:10:48,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:10:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:49,807 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse5 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse1 (= (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse5 1))) (.cse4 (= 0 .cse5))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse1 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (< 1 c_~N~0) (<= c_~N~0 2) (not (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse2 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse2 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse3 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse2 0) (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse1 .cse4)) .cse4)))) is different from false [2021-11-23 01:10:51,223 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse5 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse1 (= (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse5 1))) (.cse4 (= 0 .cse5))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse1 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (< 1 c_~N~0) (<= c_~N~0 2) (not (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse2 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse2 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse3 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse2 0) (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse1 .cse4)) .cse4))))) is different from true [2021-11-23 01:10:52,474 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse6 1))) (.cse4 (= 0 .cse6))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) .cse4)))) is different from false [2021-11-23 01:10:54,425 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse6 1))) (.cse4 (= 0 .cse6))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) .cse4))))) is different from true [2021-11-23 01:10:55,670 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse6 1))) (.cse4 (= 0 .cse6))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) .cse4)))) is different from false [2021-11-23 01:10:57,138 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse6 1))) (.cse4 (= 0 .cse6))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) .cse4))))) is different from true [2021-11-23 01:10:57,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2021-11-23 01:10:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2021-11-23 01:10:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:10:57,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:57,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:57,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:10:57,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:57,329 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 14 treesize of output 12 [2021-11-23 01:10:57,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:10:58,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:10:58,033 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:10:58,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:10:58,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:10:58,685 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:10:58,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:11:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:17,159 WARN L227 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 44 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:11:19,879 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= |c_ULTIMATE.start_main_~i~0#1| 1) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (= 0 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:11:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 01:11:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 01:11:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:11:20,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:20,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:20,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:11:20,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:20,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:11:23,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:11:24,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:24,203 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:11:24,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:11:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:25,414 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:11:25,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:11:25,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:25,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:11:25,703 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:11:25,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:11:34,429 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:11:34,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:11:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 63 states and 190 transitions. [2021-11-23 01:11:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 190 transitions. [2021-11-23 01:11:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:11:44,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:44,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:44,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:11:44,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:44,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:11:44,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:11:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:44,869 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:11:44,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:11:45,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:45,277 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:11:45,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:11:45,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:45,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:11:45,323 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:11:45,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:11:50,061 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:11:50,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:11:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 64 states and 193 transitions. [2021-11-23 01:11:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 193 transitions. [2021-11-23 01:11:50,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:11:50,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:50,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:50,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:11:50,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:50,441 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:11:50,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:11:51,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:11:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:52,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:11:53,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:53,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-11-23 01:11:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:53,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:11:53,600 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:11:53,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 46 [2021-11-23 01:11:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:54,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:11:54,896 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:11:54,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2021-11-23 01:11:55,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:11:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:11:55,210 INFO L354 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2021-11-23 01:11:55,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 65 treesize of output 64 [2021-11-23 01:11:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 68 states and 214 transitions. [2021-11-23 01:12:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 214 transitions. [2021-11-23 01:12:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:13,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:13,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:13,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:12:13,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:13,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:12:13,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:13,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:14,010 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:12:14,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:12:14,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:12:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:14,090 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:12:14,090 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 38 treesize of output 32 [2021-11-23 01:12:14,458 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:12:14,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:12:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:27,362 WARN L227 SmtUtils]: Spent 12.58s on a formula simplification. DAG size of input: 42 DAG size of output: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:12:27,959 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse2 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse3 (= |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse1 (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse4 (= 0 .cse2))) (and (not (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) (= .cse1 (+ .cse2 1)) .cse3 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) .cse3 (= .cse1 1) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse5 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse5 0) (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) .cse4)))) is different from false [2021-11-23 01:12:28,544 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= |c_ULTIMATE.start_main_~i~0#1| 1) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (= 0 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:12:29,136 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse2 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse3 (= |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse1 (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse4 (= 0 .cse2))) (and (not (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) (= .cse1 (+ .cse2 1)) .cse3 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) .cse3 (= .cse1 1) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse5 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse5 0) (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) .cse4))))) is different from true [2021-11-23 01:12:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 70 states and 221 transitions. [2021-11-23 01:12:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 221 transitions. [2021-11-23 01:12:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:29,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:29,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:29,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:12:29,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:29,496 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 14 treesize of output 12 [2021-11-23 01:12:29,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:29,586 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:12:29,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:12:29,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:12:29,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:29,652 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:12:29,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:12:29,991 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:12:29,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:12:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 71 states and 223 transitions. [2021-11-23 01:12:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 223 transitions. [2021-11-23 01:12:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:30,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:30,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:30,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:12:30,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:30,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:12:30,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:30,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:30,372 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:12:30,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:12:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:30,887 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:12:30,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:12:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:30,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:12:30,926 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:12:30,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:12:35,764 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:12:35,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:12:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 73 states and 233 transitions. [2021-11-23 01:12:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 233 transitions. [2021-11-23 01:12:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:37,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:37,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:37,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:12:37,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:37,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:12:37,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:37,441 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:12:37,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:12:37,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:37,861 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:12:37,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:12:38,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:38,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:12:38,197 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:12:38,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:12:42,972 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:12:42,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:12:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:43,933 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse9 (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse10 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse9 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse9))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (not (and .cse0 .cse3 .cse6 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse7 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse7 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse7 0) (select .cse8 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse4)) .cse6 (< 1 c_~N~0) .cse4)))) is different from false [2021-11-23 01:12:44,842 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse9 (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse10 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse9 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse9))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (not (and .cse0 .cse3 .cse6 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse7 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse7 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse7 0) (select .cse8 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse4)) .cse6 (< 1 c_~N~0) .cse4))))) is different from true [2021-11-23 01:12:45,760 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse9 (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse10 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse9 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse9))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (not (and .cse0 .cse3 .cse6 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse7 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse7 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse7 0) (select .cse8 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse4)) .cse6 (< 1 c_~N~0) .cse4)))) is different from false [2021-11-23 01:12:46,627 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse9 (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= (select .cse10 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse9 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse9))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 (not (and .cse0 .cse3 .cse6 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse7 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse7 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse7 0) (select .cse8 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse4)) .cse6 (< 1 c_~N~0) .cse4))))) is different from true [2021-11-23 01:12:46,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 74 states and 235 transitions. [2021-11-23 01:12:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 235 transitions. [2021-11-23 01:12:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:46,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:46,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:12:46,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:46,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:12:46,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:46,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:46,952 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:12:46,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:12:47,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:12:47,032 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:12:47,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:12:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 77 states and 266 transitions. [2021-11-23 01:12:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 266 transitions. [2021-11-23 01:12:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:52,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:52,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:52,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:12:52,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:52,780 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 14 treesize of output 12 [2021-11-23 01:12:52,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:52,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:12:52,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:12:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:54,008 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:12:54,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:12:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:54,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:12:54,047 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:12:54,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:12:58,876 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:12:58,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:12:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 78 states and 268 transitions. [2021-11-23 01:12:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 268 transitions. [2021-11-23 01:12:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:58,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:58,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:59,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:12:59,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:59,240 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 14 treesize of output 12 [2021-11-23 01:12:59,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:12:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:59,319 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:12:59,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:12:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:59,373 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:12:59,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:12:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:12:59,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:12:59,415 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:12:59,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:13:04,194 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:13:04,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:13:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 79 states and 270 transitions. [2021-11-23 01:13:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 270 transitions. [2021-11-23 01:13:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:04,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:13:04,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:04,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:13:04,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:04,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:04,567 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:13:04,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:13:04,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:04,630 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:13:04,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:13:04,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:04,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:13:04,668 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:13:04,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:13:09,655 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:13:09,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:13:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:10,625 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse8 (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse1 (= (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse8 1))) (.cse2 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse5 (= 0 .cse8))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse1 .cse2 (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (< 1 c_~N~0) (<= c_~N~0 2) (not (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse3 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse3 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse3 0) (select .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse1 .cse5)) .cse5 (not (and .cse1 .cse2 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse6 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse6 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse6 0) (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse5)))))) is different from false [2021-11-23 01:13:11,587 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse8 (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse1 (= (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse8 1))) (.cse2 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse5 (= 0 .cse8))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse1 .cse2 (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (< 1 c_~N~0) (<= c_~N~0 2) (not (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse3 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse3 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse3 0) (select .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse1 .cse5)) .cse5 (not (and .cse1 .cse2 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse6 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse6 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse6 0) (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse5))))))) is different from true [2021-11-23 01:13:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:11,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 80 states and 272 transitions. [2021-11-23 01:13:11,607 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 272 transitions. [2021-11-23 01:13:11,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:11,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:11,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:11,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:13:11,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:11,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:13:11,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:11,882 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:13:11,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:13:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:11,956 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:13:11,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:13:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:12,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:13:12,288 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:13:12,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:13:17,088 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:13:17,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:13:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 81 states and 274 transitions. [2021-11-23 01:13:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 274 transitions. [2021-11-23 01:13:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:17,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:17,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:17,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:13:17,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:17,372 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 14 treesize of output 12 [2021-11-23 01:13:22,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:23,308 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:13:23,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:25,721 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-11-23 01:13:25,721 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 48 treesize of output 53 [2021-11-23 01:13:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:26,905 INFO L354 Elim1Store]: treesize reduction 136, result has 11.1 percent of original size [2021-11-23 01:13:26,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 71 treesize of output 71 [2021-11-23 01:13:32,553 INFO L354 Elim1Store]: treesize reduction 70, result has 27.8 percent of original size [2021-11-23 01:13:32,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 78 [2021-11-23 01:13:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 82 states and 276 transitions. [2021-11-23 01:13:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 276 transitions. [2021-11-23 01:13:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:38,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:38,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:38,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:13:38,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:39,010 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 14 treesize of output 12 [2021-11-23 01:13:39,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:39,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:39,097 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:13:39,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:39,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:13:39,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:39,919 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:13:39,919 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 38 treesize of output 32 [2021-11-23 01:13:40,346 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:13:40,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:13:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 83 states and 278 transitions. [2021-11-23 01:13:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 278 transitions. [2021-11-23 01:13:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:40,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:40,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:40,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:13:40,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:40,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:13:40,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:40,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:40,729 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:13:40,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:40,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:13:40,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:40,823 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:13:40,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:13:41,209 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:13:41,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:13:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 84 states and 280 transitions. [2021-11-23 01:13:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 280 transitions. [2021-11-23 01:13:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:41,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:41,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:41,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:13:41,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:41,579 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 14 treesize of output 12 [2021-11-23 01:13:41,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:41,649 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:13:41,650 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:41,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:13:41,726 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:13:41,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:13:41,851 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:13:41,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:13:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 85 states and 282 transitions. [2021-11-23 01:13:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 282 transitions. [2021-11-23 01:13:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:41,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:41,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:42,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:13:42,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:42,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:13:42,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:42,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:42,261 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:13:42,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:13:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:43,422 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:13:43,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:13:43,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:43,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:13:43,461 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:13:43,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:13:48,577 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:13:48,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:13:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 86 states and 284 transitions. [2021-11-23 01:13:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 284 transitions. [2021-11-23 01:13:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:48,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:49,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:13:49,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:49,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:13:49,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:49,122 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:13:49,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:49,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:13:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:49,216 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:13:49,216 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 38 treesize of output 32 [2021-11-23 01:13:49,713 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:13:49,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:13:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 87 states and 286 transitions. [2021-11-23 01:13:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 286 transitions. [2021-11-23 01:13:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:49,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:49,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:49,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:13:49,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:49,928 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 14 treesize of output 12 [2021-11-23 01:13:49,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:49,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:50,002 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:13:50,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:50,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:13:50,065 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:13:50,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:13:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 88 states and 288 transitions. [2021-11-23 01:13:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 288 transitions. [2021-11-23 01:13:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:13:51,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:51,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:51,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:13:51,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:51,414 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 14 treesize of output 12 [2021-11-23 01:13:51,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:13:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:13:51,489 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:13:51,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:13:51,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:13:51,560 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:13:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:13:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:03,885 WARN L227 SmtUtils]: Spent 10.88s on a formula simplification. DAG size of input: 43 DAG size of output: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:14:04,487 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (= |c_ULTIMATE.start_main_~i~0#1| 0) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (= 0 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:14:19,784 WARN L227 SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 49 DAG size of output: 41 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:14:20,391 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (= |c_ULTIMATE.start_main_~i~0#1| 0) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (< 1 c_~N~0) (= 0 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:14:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 89 states and 270 transitions. [2021-11-23 01:14:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 270 transitions. [2021-11-23 01:14:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:20,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:20,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:20,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:14:20,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:20,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:14:20,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:20,691 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:14:20,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:14:20,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:14:20,748 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:14:20,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:14:21,080 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:14:21,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:14:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 90 states and 271 transitions. [2021-11-23 01:14:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 271 transitions. [2021-11-23 01:14:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:21,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:21,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:21,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:14:21,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:21,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:14:21,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:21,751 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:21,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:14:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:21,802 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:14:21,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:14:21,860 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:14:21,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:14:26,404 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:14:26,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:14:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:27,948 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse5 (= 0 .cse4))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) (= .cse3 (+ .cse4 1)) .cse5)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= .cse3 1) (not (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (< 1 c_~N~0) .cse5)))) is different from false [2021-11-23 01:14:30,344 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse5 (= 0 .cse4))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) (= .cse3 (+ .cse4 1)) .cse5)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= .cse3 1) (not (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (< 1 c_~N~0) .cse5))))) is different from true [2021-11-23 01:14:31,834 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse5 (= 0 .cse4))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) (= .cse3 (+ .cse4 1)) .cse5)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (= .cse3 1) (not (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (< 1 c_~N~0) .cse5)))) is different from false [2021-11-23 01:14:33,597 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (select .cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse5 (= 0 .cse4))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) (= .cse3 (+ .cse4 1)) .cse5)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (= .cse3 1) (not (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (< 1 c_~N~0) .cse5))))) is different from true [2021-11-23 01:14:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 93 states and 295 transitions. [2021-11-23 01:14:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 295 transitions. [2021-11-23 01:14:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:33,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:33,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:33,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:14:33,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:33,797 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 14 treesize of output 12 [2021-11-23 01:14:33,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:33,875 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:14:33,875 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 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:14:33,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:14:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:34,746 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:34,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:14:34,836 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:14:34,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:14:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:35,492 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse7 (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse8 (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= .cse7 (+ .cse8 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse8))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (not (and .cse0 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 .cse6 .cse4)) (= .cse7 1) (not .cse6) (< 1 c_~N~0) .cse4)))) is different from false [2021-11-23 01:14:36,101 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse7 (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse8 (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= .cse7 (+ .cse8 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse8))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (not (and .cse0 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 .cse6 .cse4)) (= .cse7 1) (not .cse6) (< 1 c_~N~0) .cse4))))) is different from true [2021-11-23 01:14:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 94 states and 298 transitions. [2021-11-23 01:14:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 298 transitions. [2021-11-23 01:14:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:36,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:36,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:36,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:14:36,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:36,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:14:36,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:36,474 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:36,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:14:36,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:36,528 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:14:36,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:14:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:36,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:14:36,569 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:14:36,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:14:36,823 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:14:36,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:14:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 95 states and 301 transitions. [2021-11-23 01:14:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 301 transitions. [2021-11-23 01:14:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:36,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:36,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:37,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:14:37,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:37,108 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 14 treesize of output 12 [2021-11-23 01:14:37,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:37,174 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:14:37,175 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:14:37,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:14:37,287 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:14:37,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:14:37,754 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:14:37,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:14:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:54,082 WARN L227 SmtUtils]: Spent 14.84s on a formula simplification. DAG size of input: 51 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:14:54,773 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (= |c_ULTIMATE.start_main_~i~0#1| 0) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (= 0 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:14:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 96 states and 300 transitions. [2021-11-23 01:14:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 300 transitions. [2021-11-23 01:14:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:54,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:54,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:54,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:14:54,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:14:55,024 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:55,066 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:14:55,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:14:55,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:14:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:55,138 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:55,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:14:55,223 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:14:55,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:14:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 97 states and 302 transitions. [2021-11-23 01:14:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 302 transitions. [2021-11-23 01:14:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:55,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:55,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:14:55,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:55,475 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 14 treesize of output 12 [2021-11-23 01:14:55,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:55,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:55,564 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:14:55,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:14:55,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:14:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:55,637 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:55,638 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 38 treesize of output 32 [2021-11-23 01:14:56,188 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:14:56,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:14:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 98 states and 304 transitions. [2021-11-23 01:14:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 304 transitions. [2021-11-23 01:14:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:56,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:56,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:56,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:14:56,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:56,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:14:56,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:56,455 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:14:56,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:14:56,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:14:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:56,542 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:56,543 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 38 treesize of output 32 [2021-11-23 01:14:56,676 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:14:56,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:14:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 99 states and 306 transitions. [2021-11-23 01:14:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 306 transitions. [2021-11-23 01:14:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:56,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:56,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:57,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:14:57,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:57,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:14:57,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:14:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:57,180 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:14:57,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:14:57,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:14:57,751 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:14:57,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:14:57,827 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:14:57,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:15:02,607 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:15:02,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:15:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 100 states and 308 transitions. [2021-11-23 01:15:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 308 transitions. [2021-11-23 01:15:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:02,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:02,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:02,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:15:02,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:02,978 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 14 treesize of output 12 [2021-11-23 01:15:03,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:03,066 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:03,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:15:03,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:03,142 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:15:03,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:15:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:03,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:15:03,180 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:15:03,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:15:08,606 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:15:08,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:15:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 101 states and 310 transitions. [2021-11-23 01:15:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 310 transitions. [2021-11-23 01:15:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:08,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:15:08,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:08,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:09,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:09,042 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:09,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:15:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:09,107 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:15:09,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:15:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:09,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:15:09,150 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:15:09,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:15:14,658 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:15:14,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:15:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:14,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 102 states and 312 transitions. [2021-11-23 01:15:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 312 transitions. [2021-11-23 01:15:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:14,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:14,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:14,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:15:14,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:14,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:15,024 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:15,067 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:15:15,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:15:15,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:15:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:16,161 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:16,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:15:16,727 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:15:16,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:15:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 103 states and 314 transitions. [2021-11-23 01:15:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 314 transitions. [2021-11-23 01:15:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:16,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:16,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:17,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:15:17,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:17,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:17,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:17,126 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:15:17,126 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:15:17,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:15:17,202 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:15:17,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:15:17,708 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:15:17,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:15:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 104 states and 316 transitions. [2021-11-23 01:15:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 316 transitions. [2021-11-23 01:15:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:17,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:17,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:18,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:15:18,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:18,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:18,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:18,108 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:18,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:15:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:19,438 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:15:19,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:15:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:19,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:15:19,476 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:15:19,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:15:24,736 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:15:24,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:15:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:24,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 105 states and 318 transitions. [2021-11-23 01:15:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 318 transitions. [2021-11-23 01:15:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:24,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:24,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:25,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:15:25,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:25,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:25,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:25,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:25,107 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:15:25,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:15:25,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:15:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:25,925 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:25,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:15:26,194 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:15:26,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:15:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 106 states and 320 transitions. [2021-11-23 01:15:26,218 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 320 transitions. [2021-11-23 01:15:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:26,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:26,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:26,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:15:26,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:26,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:26,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:26,589 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:15:26,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:15:26,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:15:26,662 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:15:26,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:15:26,984 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:15:26,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:15:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 107 states and 322 transitions. [2021-11-23 01:15:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 322 transitions. [2021-11-23 01:15:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:27,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:27,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:27,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:15:27,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:27,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:27,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:27,322 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:15:27,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:15:27,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:15:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:27,379 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:27,379 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 38 treesize of output 32 [2021-11-23 01:15:27,776 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:15:27,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:15:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 108 states and 324 transitions. [2021-11-23 01:15:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 324 transitions. [2021-11-23 01:15:27,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:27,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:27,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:27,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:15:27,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:27,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:15:27,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:28,028 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:15:28,029 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:15:28,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:15:28,093 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:15:28,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:15:28,433 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:15:28,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:15:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 109 states and 326 transitions. [2021-11-23 01:15:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 326 transitions. [2021-11-23 01:15:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:28,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:15:28,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:28,689 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:15:28,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:15:32,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:15:34,423 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:15:34,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:15:36,992 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 01:15:36,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2021-11-23 01:15:39,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:39,411 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 01:15:39,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 54 [2021-11-23 01:15:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:15:42,970 INFO L354 Elim1Store]: treesize reduction 120, result has 12.4 percent of original size [2021-11-23 01:15:42,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 68 treesize of output 64 [2021-11-23 01:15:45,888 INFO L354 Elim1Store]: treesize reduction 260, result has 12.8 percent of original size [2021-11-23 01:15:45,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 85 treesize of output 80 [2021-11-23 01:15:59,549 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-23 01:15:59,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 112 treesize of output 56 [2021-11-23 01:15:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:19,101 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse7 (= 0 (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (and .cse0 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= (select .cse1 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (not (and (exists ((|ULTIMATE.start_main_~a~0#1.offset| Int) (|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse6 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse3 (select .cse6 8)) (.cse4 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse2 (select .cse6 0))) (and (= .cse2 1) (= 7 .cse3) (= .cse3 (+ (select .cse4 |ULTIMATE.start_main_~a~0#1.offset|) 1)) (= (+ 5 .cse3) (select .cse4 (+ |ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse2 (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |ULTIMATE.start_main_~b~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) .cse0 .cse7)) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse8 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse8 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse8 0) (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) .cse7))) is different from false [2021-11-23 01:16:21,002 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse7 (= 0 (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (and .cse0 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= (select .cse1 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (not (and (exists ((|ULTIMATE.start_main_~a~0#1.offset| Int) (|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse6 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse3 (select .cse6 8)) (.cse4 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse2 (select .cse6 0))) (and (= .cse2 1) (= 7 .cse3) (= .cse3 (+ (select .cse4 |ULTIMATE.start_main_~a~0#1.offset|) 1)) (= (+ 5 .cse3) (select .cse4 (+ |ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse2 (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |ULTIMATE.start_main_~b~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) .cse0 .cse7)) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse8 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse8 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse8 0) (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) .cse7)))) is different from true [2021-11-23 01:16:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 115 states and 374 transitions. [2021-11-23 01:16:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 374 transitions. [2021-11-23 01:16:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:16:24,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:24,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:24,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:16:24,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:24,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:16:24,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:16:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:24,483 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:16:24,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:16:24,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:16:24,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:24,562 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:16:24,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:16:24,901 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:16:24,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:16:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 116 states and 377 transitions. [2021-11-23 01:16:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 377 transitions. [2021-11-23 01:16:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:16:24,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:24,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:25,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:16:25,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:25,288 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 14 treesize of output 12 [2021-11-23 01:16:25,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:16:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:25,368 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:16:25,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:16:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:26,145 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:16:26,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:16:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:26,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:16:26,620 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:16:26,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:16:32,327 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:16:32,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:16:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:32,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 117 states and 380 transitions. [2021-11-23 01:16:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 380 transitions. [2021-11-23 01:16:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:16:32,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:32,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:32,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:16:32,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:32,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:16:32,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:16:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:32,679 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:16:32,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:16:32,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:32,762 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:16:32,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:16:32,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:32,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:16:32,811 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:16:32,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:16:38,381 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:16:38,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:16:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 118 states and 383 transitions. [2021-11-23 01:16:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 383 transitions. [2021-11-23 01:16:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:16:38,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:38,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:38,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:16:38,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:38,671 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 14 treesize of output 12 [2021-11-23 01:16:38,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:16:38,759 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:16:38,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:16:38,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:16:38,859 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:16:38,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:16:39,444 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:16:39,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:16:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:57,163 WARN L227 SmtUtils]: Spent 16.51s on a formula simplification. DAG size of input: 62 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:16:57,845 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (not (exists ((|ULTIMATE.start_main_~a~0#1.offset| Int) (|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse4 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse1 (select .cse4 8)) (.cse2 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse0 (select .cse4 0))) (and (= .cse0 1) (= 7 .cse1) (= .cse1 (+ (select .cse2 |ULTIMATE.start_main_~a~0#1.offset|) 1)) (= (+ 5 .cse1) (select .cse2 (+ |ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse3 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ .cse0 (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |ULTIMATE.start_main_~b~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))))) (= |c_ULTIMATE.start_main_~i~0#1| 0) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse6 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse6 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse6 0) (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (= 0 (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:16:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 119 states and 386 transitions. [2021-11-23 01:16:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 386 transitions. [2021-11-23 01:16:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:16:57,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:57,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:58,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:16:58,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:58,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:16:58,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:16:58,168 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:16:58,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:16:58,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:16:58,261 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:16:58,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:16:58,433 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:16:58,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:16:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 120 states and 389 transitions. [2021-11-23 01:16:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 389 transitions. [2021-11-23 01:16:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:16:58,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:58,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:58,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:16:58,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:58,743 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 14 treesize of output 12 [2021-11-23 01:16:58,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:16:58,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:16:58,820 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:16:58,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:16:58,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:16:58,896 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:16:58,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:17:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 121 states and 392 transitions. [2021-11-23 01:17:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 392 transitions. [2021-11-23 01:17:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:00,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:00,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:01,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:17:01,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:01,108 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 14 treesize of output 12 [2021-11-23 01:17:01,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:17:01,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:01,185 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:17:01,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:17:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:02,870 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:17:02,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:17:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:03,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:17:03,432 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:17:03,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:17:09,450 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:17:09,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:17:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 122 states and 395 transitions. [2021-11-23 01:17:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 395 transitions. [2021-11-23 01:17:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:09,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:09,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:17:09,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:09,832 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 14 treesize of output 12 [2021-11-23 01:17:09,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:17:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:09,909 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:17:09,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:17:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:10,770 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:17:10,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:17:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:10,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:17:10,821 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:17:10,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:17:16,825 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:17:16,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:17:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 123 states and 398 transitions. [2021-11-23 01:17:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 398 transitions. [2021-11-23 01:17:16,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:16,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:17,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:17:17,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:17,181 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:17:17,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:17:21,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:17:25,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:25,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:17:28,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:28,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:17:31,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:31,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:17:31,566 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:17:31,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:17:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:17:41,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:17:41,279 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:17:41,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 62 [2021-11-23 01:17:44,802 INFO L354 Elim1Store]: treesize reduction 206, result has 14.9 percent of original size [2021-11-23 01:17:44,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 72 [2021-11-23 01:18:00,948 INFO L354 Elim1Store]: treesize reduction 127, result has 3.1 percent of original size [2021-11-23 01:18:00,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 94 treesize of output 52 [2021-11-23 01:18:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 125 states and 431 transitions. [2021-11-23 01:18:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 431 transitions. [2021-11-23 01:18:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:18:17,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:18:18,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,355 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 14 treesize of output 12 [2021-11-23 01:18:18,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:18:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:18,451 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:18:18,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:18:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:20,140 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:18:20,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:18:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:20,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:18:20,734 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:18:20,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:18:27,218 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:18:27,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:18:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 126 states and 434 transitions. [2021-11-23 01:18:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 434 transitions. [2021-11-23 01:18:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:18:27,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,594 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 14 treesize of output 12 [2021-11-23 01:18:27,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:18:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:27,696 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:18:27,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:18:27,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:18:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:27,811 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:18:27,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:18:28,339 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:18:28,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:18:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 127 states and 437 transitions. [2021-11-23 01:18:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 437 transitions. [2021-11-23 01:18:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:18:28,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:18:28,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,639 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 14 treesize of output 12 [2021-11-23 01:18:28,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:18:28,738 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:18:28,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:18:28,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:18:28,827 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:18:28,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:18:29,024 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:18:29,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:18:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 128 states and 440 transitions. [2021-11-23 01:18:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 440 transitions. [2021-11-23 01:18:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:18:29,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:18:29,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:29,342 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:18:29,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:18:34,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:18:37,944 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 01:18:37,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:18:42,294 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 01:18:42,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2021-11-23 01:18:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:45,693 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 01:18:45,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 52 [2021-11-23 01:18:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:50,067 INFO L354 Elim1Store]: treesize reduction 120, result has 12.4 percent of original size [2021-11-23 01:18:50,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 60 treesize of output 62 [2021-11-23 01:18:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:18:53,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:18:53,588 INFO L354 Elim1Store]: treesize reduction 180, result has 11.8 percent of original size [2021-11-23 01:18:53,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 75 treesize of output 74 [2021-11-23 01:19:08,079 INFO L354 Elim1Store]: treesize reduction 127, result has 3.1 percent of original size [2021-11-23 01:19:08,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 52 [2021-11-23 01:19:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 131 states and 467 transitions. [2021-11-23 01:19:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 467 transitions. [2021-11-23 01:19:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:29,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:19:29,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:29,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:19:29,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:29,483 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:19:29,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:19:31,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:31,273 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:19:31,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:19:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:31,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:19:31,322 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:19:31,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:19:37,293 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:19:37,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:19:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 132 states and 470 transitions. [2021-11-23 01:19:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 470 transitions. [2021-11-23 01:19:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:37,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:19:37,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:37,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:19:37,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:37,702 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:19:37,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:19:38,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:38,719 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:19:38,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:19:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:39,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:19:39,371 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:19:39,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:19:45,602 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:19:45,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:19:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 133 states and 473 transitions. [2021-11-23 01:19:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 473 transitions. [2021-11-23 01:19:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:45,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:45,983 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 14 treesize of output 12 [2021-11-23 01:19:46,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:46,064 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:19:46,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:19:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:47,821 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:19:47,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:19:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:47,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:19:47,889 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:19:47,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:19:54,078 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:19:54,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:19:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 134 states and 476 transitions. [2021-11-23 01:19:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 476 transitions. [2021-11-23 01:19:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:54,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:54,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:19:54,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:54,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:19:54,374 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:54,418 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:19:54,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:19:54,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:19:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:54,485 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:19:54,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:19:54,898 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:19:54,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:19:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 135 states and 479 transitions. [2021-11-23 01:19:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 479 transitions. [2021-11-23 01:19:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:54,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:54,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:19:55,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:55,115 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 14 treesize of output 12 [2021-11-23 01:19:55,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:55,188 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:19:55,188 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 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:19:55,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:19:55,264 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:19:55,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:19:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 136 states and 482 transitions. [2021-11-23 01:19:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 482 transitions. [2021-11-23 01:19:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:56,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:56,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:57,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:19:57,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:57,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:19:57,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:57,279 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:19:57,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:19:57,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:19:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:57,345 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:19:57,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:19:58,144 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:19:58,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:19:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 137 states and 485 transitions. [2021-11-23 01:19:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 485 transitions. [2021-11-23 01:19:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:58,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:58,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:19:58,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:58,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:19:58,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:19:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:19:58,486 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:19:58,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:20:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:00,269 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:20:00,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:20:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:00,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:00,950 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:20:00,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:20:01,397 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:20:01,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:20:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 138 states and 488 transitions. [2021-11-23 01:20:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 488 transitions. [2021-11-23 01:20:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:01,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:01,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:20:01,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:01,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:20:01,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:01,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:01,844 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:01,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:20:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:03,630 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:20:03,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:20:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:03,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:03,705 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:20:03,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:20:10,009 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:20:10,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:20:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 139 states and 491 transitions. [2021-11-23 01:20:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 491 transitions. [2021-11-23 01:20:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:10,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:10,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:10,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:20:10,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:10,372 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 14 treesize of output 12 [2021-11-23 01:20:10,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:10,447 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:20:10,447 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:20:10,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:20:10,554 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:20:10,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:20:10,761 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:20:10,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:20:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 140 states and 494 transitions. [2021-11-23 01:20:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 494 transitions. [2021-11-23 01:20:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:10,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:10,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:11,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:20:11,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:11,242 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 14 treesize of output 12 [2021-11-23 01:20:11,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:11,328 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:11,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:20:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:12,416 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:20:12,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:20:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:12,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:12,476 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:20:12,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:20:12,956 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:20:12,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:20:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 141 states and 497 transitions. [2021-11-23 01:20:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 497 transitions. [2021-11-23 01:20:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:13,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:13,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:13,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:20:13,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:13,504 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:13,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:20:13,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:13,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:20:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:14,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:20:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:18,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:18,126 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:20:18,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:20:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:19,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:19,303 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:20:19,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 62 [2021-11-23 01:20:22,792 INFO L354 Elim1Store]: treesize reduction 206, result has 14.9 percent of original size [2021-11-23 01:20:22,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 72 [2021-11-23 01:20:28,765 INFO L354 Elim1Store]: treesize reduction 127, result has 3.1 percent of original size [2021-11-23 01:20:28,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 94 treesize of output 52 [2021-11-23 01:20:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 143 states and 510 transitions. [2021-11-23 01:20:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 510 transitions. [2021-11-23 01:20:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:32,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:32,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:20:32,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:32,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:20:32,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:32,992 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:20:32,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:20:33,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:20:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:33,923 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:33,924 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 38 treesize of output 32 [2021-11-23 01:20:34,258 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:20:34,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:20:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 144 states and 513 transitions. [2021-11-23 01:20:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 513 transitions. [2021-11-23 01:20:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:34,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:34,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:20:34,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:34,609 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 14 treesize of output 12 [2021-11-23 01:20:34,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:34,708 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:20:34,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:20:34,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:20:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:34,795 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:34,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:20:35,192 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:20:35,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:20:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 145 states and 516 transitions. [2021-11-23 01:20:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 516 transitions. [2021-11-23 01:20:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:35,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:20:35,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:35,557 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:35,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:20:35,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:35,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:35,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:20:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:36,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-11-23 01:20:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:36,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:36,239 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:20:36,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 46 [2021-11-23 01:20:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:37,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:37,151 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:20:37,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2021-11-23 01:20:37,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:37,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:37,206 INFO L354 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2021-11-23 01:20:37,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 65 treesize of output 64 [2021-11-23 01:20:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 146 states and 519 transitions. [2021-11-23 01:20:39,358 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 519 transitions. [2021-11-23 01:20:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:39,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:39,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:39,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:20:39,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:39,673 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:39,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:20:39,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:39,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:20:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:39,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:20:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:42,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:42,990 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:20:42,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 01:20:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:44,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:44,725 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:20:44,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 62 [2021-11-23 01:20:48,169 INFO L354 Elim1Store]: treesize reduction 206, result has 14.9 percent of original size [2021-11-23 01:20:48,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 72 [2021-11-23 01:20:53,803 INFO L354 Elim1Store]: treesize reduction 127, result has 3.1 percent of original size [2021-11-23 01:20:53,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 94 treesize of output 52 [2021-11-23 01:20:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:53,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 147 states and 522 transitions. [2021-11-23 01:20:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 522 transitions. [2021-11-23 01:20:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:53,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:53,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:54,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:20:54,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:54,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:20:54,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:54,251 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:54,251 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 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:20:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:55,392 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:20:55,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:20:55,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:55,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:55,447 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:20:55,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:20:55,918 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:20:55,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:20:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 148 states and 525 transitions. [2021-11-23 01:20:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 525 transitions. [2021-11-23 01:20:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:55,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:55,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:56,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:20:56,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:56,211 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 14 treesize of output 12 [2021-11-23 01:20:56,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:20:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:56,316 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:20:56,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:20:58,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:58,226 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:20:58,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:20:58,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:20:58,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:20:58,280 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:20:58,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:21:04,736 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:21:04,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:21:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 149 states and 528 transitions. [2021-11-23 01:21:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 528 transitions. [2021-11-23 01:21:04,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:04,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:04,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:05,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:21:05,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:05,028 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 14 treesize of output 12 [2021-11-23 01:21:05,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:05,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:05,108 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:21:05,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:21:05,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:21:05,213 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:21:05,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:21:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 150 states and 531 transitions. [2021-11-23 01:21:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 531 transitions. [2021-11-23 01:21:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:07,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:07,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:21:07,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:07,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:21:07,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,416 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:21:07,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:21:09,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:09,278 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:21:09,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:21:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:09,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:21:09,336 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:21:09,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:21:09,816 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:21:09,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:21:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:10,497 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse7 (select .cse11 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse10 (select .cse11 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= .cse7 (+ .cse10 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse10))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (not (and .cse0 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 .cse6 .cse4)) (= .cse7 1) (not (and .cse0 .cse3 .cse6 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse8 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse8 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse8 0) (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse4)) (not .cse6) (< 1 c_~N~0) .cse4)))) is different from false [2021-11-23 01:21:11,201 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse7 (select .cse11 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8))) (.cse10 (select .cse11 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse3 (= .cse7 (+ .cse10 1))) (.cse6 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (.cse4 (= 0 .cse10))) (and .cse0 (not (and .cse0 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse3 .cse4)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (not (and .cse0 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse3 .cse6 .cse4)) (= .cse7 1) (not (and .cse0 .cse3 .cse6 (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse8 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse8 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse8 0) (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|))))) .cse4)) (not .cse6) (< 1 c_~N~0) .cse4))))) is different from true [2021-11-23 01:21:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 151 states and 485 transitions. [2021-11-23 01:21:11,221 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 485 transitions. [2021-11-23 01:21:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:11,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:11,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:11,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:21:11,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:11,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:21:11,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:11,607 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:21:11,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:21:11,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:21:11,713 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:21:11,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:21:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 152 states and 487 transitions. [2021-11-23 01:21:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 487 transitions. [2021-11-23 01:21:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:13,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:13,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:13,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:21:13,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:13,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:21:13,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:13,953 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:21:13,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:21:15,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:15,112 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:21:15,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:21:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:15,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:21:15,171 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:21:15,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:21:21,635 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:21:21,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:21:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 153 states and 489 transitions. [2021-11-23 01:21:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 489 transitions. [2021-11-23 01:21:21,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:21,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:21,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:21,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:21:21,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:21,926 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 14 treesize of output 12 [2021-11-23 01:21:21,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:22,002 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:21:22,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:21:22,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:21:22,074 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:21:22,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:21:22,651 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:21:22,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:21:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:38,929 WARN L227 SmtUtils]: Spent 13.59s on a formula simplification. DAG size of input: 56 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:21:39,607 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (= |c_ULTIMATE.start_main_~i~0#1| 0) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)))) (= (select .cse0 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) 1) (not (= |c_ULTIMATE.start_main_~c~0#1.offset| 0)) (< 1 c_~N~0) (not (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse1 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse1 8) (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0) 1)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (= (select .cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (+ (select .cse1 0) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|)))) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~c~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)))))) (= 0 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) is different from true [2021-11-23 01:21:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 154 states and 489 transitions. [2021-11-23 01:21:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 489 transitions. [2021-11-23 01:21:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:39,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:39,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:39,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:21:39,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:40,006 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 14 treesize of output 12 [2021-11-23 01:21:40,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:40,087 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:21:40,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:21:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:41,281 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:21:41,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:21:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:42,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:21:42,044 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:21:42,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:21:48,662 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:21:48,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:21:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 155 states and 491 transitions. [2021-11-23 01:21:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 491 transitions. [2021-11-23 01:21:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:48,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:21:48,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:48,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:21:49,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:49,123 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:21:49,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:21:49,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:21:50,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:50,228 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:21:50,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:21:50,346 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:21:50,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:21:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 156 states and 493 transitions. [2021-11-23 01:21:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 493 transitions. [2021-11-23 01:21:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:50,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:21:50,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:50,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:21:50,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:50,762 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:21:50,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:21:50,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:50,855 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:21:50,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:21:50,934 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:21:50,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:21:56,944 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:21:56,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:21:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 157 states and 495 transitions. [2021-11-23 01:21:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 495 transitions. [2021-11-23 01:21:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:56,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:21:57,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:57,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:21:57,336 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:21:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:57,366 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:21:57,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:21:58,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:58,397 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:21:58,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:21:59,079 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:21:59,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:22:05,500 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:22:05,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:22:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 158 states and 497 transitions. [2021-11-23 01:22:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 497 transitions. [2021-11-23 01:22:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:05,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:05,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:05,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:22:05,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:05,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:05,941 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:05,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:05,988 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:05,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:06,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:06,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:06,107 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:06,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:22:07,150 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:22:07,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:22:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 159 states and 499 transitions. [2021-11-23 01:22:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 499 transitions. [2021-11-23 01:22:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:07,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:22:07,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:07,421 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 14 treesize of output 12 [2021-11-23 01:22:07,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:07,504 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:07,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:07,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:07,627 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:22:07,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:22:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 160 states and 501 transitions. [2021-11-23 01:22:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 501 transitions. [2021-11-23 01:22:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:09,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:09,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:09,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:22:09,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:09,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:09,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:09,848 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:09,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:12,017 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:22:12,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:22:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:12,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:12,080 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:22:12,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:22:12,597 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:22:12,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:22:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 161 states and 503 transitions. [2021-11-23 01:22:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 503 transitions. [2021-11-23 01:22:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:12,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:12,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:13,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:22:13,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:13,044 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:13,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 01:22:13,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:13,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:13,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 01:22:13,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:13,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-11-23 01:22:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:13,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:13,779 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 01:22:13,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 46 [2021-11-23 01:22:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:14,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:14,792 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:22:14,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2021-11-23 01:22:14,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:14,853 INFO L354 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2021-11-23 01:22:14,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 65 treesize of output 64 [2021-11-23 01:22:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 162 states and 505 transitions. [2021-11-23 01:22:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 505 transitions. [2021-11-23 01:22:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:16,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:16,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:22:16,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:16,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:16,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:17,002 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:17,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:17,095 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:22:17,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:22:17,173 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:22:17,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:22:23,272 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:22:23,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:22:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 163 states and 507 transitions. [2021-11-23 01:22:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 507 transitions. [2021-11-23 01:22:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:23,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:23,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:22:23,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:23,583 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 14 treesize of output 12 [2021-11-23 01:22:23,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,670 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:23,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,912 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:22:24,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:22:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:24,969 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:22:24,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:22:31,791 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:22:31,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:22:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 164 states and 509 transitions. [2021-11-23 01:22:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 509 transitions. [2021-11-23 01:22:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:31,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:31,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:32,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:22:32,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:32,180 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 14 treesize of output 12 [2021-11-23 01:22:32,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:32,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:32,274 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:32,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:34,298 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:22:34,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:22:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:34,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:34,358 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:22:34,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:22:34,872 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:22:34,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:22:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 165 states and 511 transitions. [2021-11-23 01:22:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 511 transitions. [2021-11-23 01:22:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:34,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:34,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:35,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:22:35,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:35,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:35,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:35,351 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:22:35,351 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:35,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:35,420 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:22:35,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:22:36,188 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:22:36,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:22:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 166 states and 513 transitions. [2021-11-23 01:22:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 513 transitions. [2021-11-23 01:22:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:36,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:36,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:36,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:22:36,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:36,457 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 14 treesize of output 12 [2021-11-23 01:22:36,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:36,540 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:36,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:36,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:36,648 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:22:36,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:22:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 167 states and 515 transitions. [2021-11-23 01:22:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 515 transitions. [2021-11-23 01:22:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:38,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:38,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:38,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:22:38,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:38,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:38,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:38,677 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:38,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:38,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:38,747 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:38,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:22:39,396 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:22:39,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:22:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 168 states and 517 transitions. [2021-11-23 01:22:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 517 transitions. [2021-11-23 01:22:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:39,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:39,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:39,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:22:39,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:39,841 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 14 treesize of output 12 [2021-11-23 01:22:39,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:39,921 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:22:39,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:39,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:39,991 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:22:39,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:22:40,602 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:22:40,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:22:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 169 states and 519 transitions. [2021-11-23 01:22:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 519 transitions. [2021-11-23 01:22:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:40,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:41,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:22:41,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:41,010 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 14 treesize of output 12 [2021-11-23 01:22:41,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:41,124 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:41,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:41,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:41,228 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:22:41,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:22:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 170 states and 521 transitions. [2021-11-23 01:22:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 521 transitions. [2021-11-23 01:22:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:42,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:42,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:22:43,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:43,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:43,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:43,128 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:43,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:43,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:43,244 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:43,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 01:22:43,613 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:22:43,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:22:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 171 states and 523 transitions. [2021-11-23 01:22:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 523 transitions. [2021-11-23 01:22:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:43,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:43,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:22:43,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:43,962 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 14 treesize of output 12 [2021-11-23 01:22:44,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:44,033 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:44,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:45,187 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-23 01:22:45,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 43 [2021-11-23 01:22:45,282 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-23 01:22:45,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:22:45,940 INFO L354 Elim1Store]: treesize reduction 89, result has 8.2 percent of original size [2021-11-23 01:22:45,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-23 01:22:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 172 states and 543 transitions. [2021-11-23 01:22:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 543 transitions. [2021-11-23 01:22:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:45,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:45,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:46,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:22:46,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:46,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:46,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:46,584 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-23 01:22:46,584 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 3 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:46,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:46,721 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-23 01:22:46,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-23 01:22:47,755 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-23 01:22:47,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 33 [2021-11-23 01:22:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 173 states and 545 transitions. [2021-11-23 01:22:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 545 transitions. [2021-11-23 01:22:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:50,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:50,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,195 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 14 treesize of output 12 [2021-11-23 01:22:51,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:51,282 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:51,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:52,623 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:22:52,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:22:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:52,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:52,687 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:22:52,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55 [2021-11-23 01:22:53,234 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-23 01:22:53,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 54 [2021-11-23 01:22:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 174 states and 547 transitions. [2021-11-23 01:22:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 547 transitions. [2021-11-23 01:22:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:53,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:53,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:53,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:22:53,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:53,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:53,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:53,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:53,788 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-11-23 01:22:53,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-23 01:22:53,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 01:22:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:53,864 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:53,865 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 38 treesize of output 32 [2021-11-23 01:22:54,289 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 01:22:54,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2021-11-23 01:22:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 175 states and 549 transitions. [2021-11-23 01:22:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 549 transitions. [2021-11-23 01:22:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:54,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:54,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:54,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:22:54,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:54,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-23 01:22:54,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:22:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:54,899 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 01:22:54,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-11-23 01:22:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:55,000 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 01:22:55,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2021-11-23 01:22:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:55,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:55,057 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-23 01:22:55,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 55