./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_poly6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_poly6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26ad3956041b2e839611ff318d272e1f932670752c1f7180f45920516dc03b70 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:33:57,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:33:57,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:33:57,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:33:57,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:33:57,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:33:57,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:33:57,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:33:57,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:33:57,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:33:57,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:33:57,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:33:57,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:33:57,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:33:57,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:33:57,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:33:57,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:33:57,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:33:57,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:33:57,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:33:57,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:33:57,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:33:57,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:33:57,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:33:57,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:33:57,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:33:57,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:33:57,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:33:57,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:33:57,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:33:57,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:33:57,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:33:57,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:33:57,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:33:57,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:33:57,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:33:57,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:33:57,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:33:57,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:33:57,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:33:57,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:33:57,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:33:57,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:33:57,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:33:57,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:33:57,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:33:57,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:33:57,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:33:57,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:33:57,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:33:57,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:33:57,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:33:57,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:33:57,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:33:57,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:33:57,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:33:57,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:33:57,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:33:57,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:33:57,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:33:57,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:33:57,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:33:57,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:33:57,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:33:57,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:33:57,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:33:57,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:33:57,835 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:33:57,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:33:57,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:33:57,836 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_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26ad3956041b2e839611ff318d272e1f932670752c1f7180f45920516dc03b70 [2021-11-21 04:33:58,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:33:58,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:33:58,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:33:58,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:33:58,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:33:58,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-cav19/array_tiling_poly6.c [2021-11-21 04:33:58,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/data/09b210651/e329e5d722014e5bbb2b6901132a782b/FLAG0a409c8ee [2021-11-21 04:33:58,741 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:33:58,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/sv-benchmarks/c/array-cav19/array_tiling_poly6.c [2021-11-21 04:33:58,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/data/09b210651/e329e5d722014e5bbb2b6901132a782b/FLAG0a409c8ee [2021-11-21 04:33:59,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/data/09b210651/e329e5d722014e5bbb2b6901132a782b [2021-11-21 04:33:59,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:33:59,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:33:59,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:33:59,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:33:59,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:33:59,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5801569b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59, skipping insertion in model container [2021-11-21 04:33:59,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:33:59,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:33:59,313 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_f38fafd7-2a4c-4dae-9c27-53176b321551/sv-benchmarks/c/array-cav19/array_tiling_poly6.c[409,422] [2021-11-21 04:33:59,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:33:59,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:33:59,375 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_f38fafd7-2a4c-4dae-9c27-53176b321551/sv-benchmarks/c/array-cav19/array_tiling_poly6.c[409,422] [2021-11-21 04:33:59,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:33:59,417 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:33:59,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59 WrapperNode [2021-11-21 04:33:59,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:33:59,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:33:59,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:33:59,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:33:59,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,467 INFO L137 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2021-11-21 04:33:59,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:33:59,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:33:59,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:33:59,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:33:59,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:33:59,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:33:59,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:33:59,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:33:59,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:59" (1/1) ... [2021-11-21 04:33:59,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:33:59,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:33:59,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:33:59,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38fafd7-2a4c-4dae-9c27-53176b321551/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:33:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:33:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:33:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:33:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:33:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:33:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:33:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:33:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:33:59,694 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:33:59,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:33:59,910 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:33:59,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:33:59,998 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:34:00,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:00 BoogieIcfgContainer [2021-11-21 04:34:00,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:34:00,002 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:34:00,002 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:34:00,013 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:34:00,013 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:00" (1/1) ... [2021-11-21 04:34:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:34:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-21 04:34:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-21 04:34:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:34:00,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:00,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2021-11-21 04:34:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2021-11-21 04:34:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:34:00,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:00,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:00,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:34:00,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2021-11-21 04:34:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2021-11-21 04:34:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:34:00,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:00,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:00,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:34:00,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:34:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-21 04:34:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-21 04:34:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:34:01,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:01,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:01,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:34:01,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:01,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-21 04:34:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-21 04:34:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:34:01,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:01,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:01,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 04:34:01,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:01,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-21 04:34:01,861 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-21 04:34:01,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-21 04:34:01,999 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-21 04:34:02,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 25 [2021-11-21 04:34:02,094 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-21 04:34:02,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-21 04:34:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-21 04:34:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-21 04:34:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:34:03,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:03,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:03,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:34:03,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-21 04:34:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-21 04:34:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:34:04,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:04,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:04,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:34:04,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-21 04:34:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-21 04:34:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:34:06,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:06,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:06,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 04:34:06,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:06,340 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 [2021-11-21 04:34:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-21 04:34:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,539 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 04:34:06,540 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 32 treesize of output 34 [2021-11-21 04:34:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:34:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,770 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-21 04:34:06,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 129 treesize of output 177 [2021-11-21 04:34:06,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:34:06,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:34:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:06,887 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 04:34:06,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 122 treesize of output 72 [2021-11-21 04:34:07,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:07,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:07,030 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 04:34:07,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 39 [2021-11-21 04:34:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:07,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:07,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:07,147 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 04:34:07,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2021-11-21 04:34:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:10,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-21 04:34:10,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-21 04:34:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:34:10,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:10,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:10,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:34:10,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2021-11-21 04:34:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2021-11-21 04:34:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:34:12,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:12,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:34:12,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:12,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2021-11-21 04:34:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-11-21 04:34:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:34:14,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:14,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:14,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:34:14,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2021-11-21 04:34:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2021-11-21 04:34:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:34:17,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:17,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:17,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 04:34:17,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:17,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 04:34:17,557 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-21 04:34:17,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-21 04:34:17,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-21 04:34:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-11-21 04:34:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-11-21 04:34:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:34:20,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:20,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:20,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 04:34:20,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:20,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-21 04:34:20,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:34:20,336 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-21 04:34:20,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-21 04:34:20,514 INFO L354 Elim1Store]: treesize reduction 170, result has 16.3 percent of original size [2021-11-21 04:34:20,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 103 [2021-11-21 04:34:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:20,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 29 [2021-11-21 04:34:20,809 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-21 04:34:20,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 04:34:21,245 INFO L354 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2021-11-21 04:34:21,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 49 [2021-11-21 04:34:21,597 INFO L354 Elim1Store]: treesize reduction 767, result has 10.0 percent of original size [2021-11-21 04:34:21,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 173 [2021-11-21 04:34:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:21,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 72 [2021-11-21 04:34:22,111 INFO L354 Elim1Store]: treesize reduction 827, result has 11.1 percent of original size [2021-11-21 04:34:22,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 198 [2021-11-21 04:34:22,139 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:34:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:34:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:22,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 85 [2021-11-21 04:34:22,495 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-21 04:34:22,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 55 [2021-11-21 04:34:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 77 transitions. [2021-11-21 04:34:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2021-11-21 04:34:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:34:27,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:27,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:27,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:34:27,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2021-11-21 04:34:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2021-11-21 04:34:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:34:33,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:33,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:33,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:34:33,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2021-11-21 04:34:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2021-11-21 04:34:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:34:37,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:37,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:37,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:34:37,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2021-11-21 04:34:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2021-11-21 04:34:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:34:41,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:41,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:41,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:34:41,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2021-11-21 04:34:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2021-11-21 04:34:51,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:34:51,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:51,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:51,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-21 04:34:51,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:51,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:34:51,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-21 04:34:51,975 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-21 04:34:51,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-21 04:34:52,049 INFO L354 Elim1Store]: treesize reduction 170, result has 16.3 percent of original size [2021-11-21 04:34:52,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 103 [2021-11-21 04:34:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:52,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:52,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 18 [2021-11-21 04:34:52,200 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-21 04:34:52,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 04:34:52,805 INFO L354 Elim1Store]: treesize reduction 164, result has 17.6 percent of original size [2021-11-21 04:34:52,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 58 [2021-11-21 04:34:54,190 INFO L354 Elim1Store]: treesize reduction 952, result has 9.4 percent of original size [2021-11-21 04:34:54,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 147 treesize of output 190 [2021-11-21 04:34:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:54,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 81 [2021-11-21 04:34:55,152 INFO L354 Elim1Store]: treesize reduction 1044, result has 10.2 percent of original size [2021-11-21 04:34:55,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 160 treesize of output 215 [2021-11-21 04:34:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:55,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 96 [2021-11-21 04:34:55,950 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-21 04:34:55,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 69 treesize of output 65 [2021-11-21 04:34:56,714 INFO L354 Elim1Store]: treesize reduction 948, result has 9.8 percent of original size [2021-11-21 04:34:56,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 151 treesize of output 198 [2021-11-21 04:34:56,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:34:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:34:56,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 84 [2021-11-21 04:34:57,629 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-21 04:34:57,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 69 [2021-11-21 04:34:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2021-11-21 04:35:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2021-11-21 04:35:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:35:15,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:15,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:15,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:35:15,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 65 states and 117 transitions. [2021-11-21 04:35:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 117 transitions. [2021-11-21 04:35:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:35:24,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:24,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:24,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 04:35:24,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 71 states and 124 transitions. [2021-11-21 04:35:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2021-11-21 04:35:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:35:49,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:49,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:49,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 04:35:49,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:36:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2021-11-21 04:36:01,229 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2021-11-21 04:36:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:36:01,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:01,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:01,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 04:36:01,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:36:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2021-11-21 04:36:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2021-11-21 04:36:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:36:10,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:10,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:10,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 04:36:10,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:36:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 116 transitions. [2021-11-21 04:36:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2021-11-21 04:36:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:36:22,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:22,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:22,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 04:36:22,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:37:01,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 74 states and 129 transitions. [2021-11-21 04:37:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2021-11-21 04:37:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:37:01,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:01,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:02,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 04:37:02,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:37:02,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-21 04:37:02,069 INFO L354 Elim1Store]: treesize reduction 74, result has 16.9 percent of original size [2021-11-21 04:37:02,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 82 [2021-11-21 04:37:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:02,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 15 [2021-11-21 04:37:02,854 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-21 04:37:02,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-21 04:37:03,530 INFO L354 Elim1Store]: treesize reduction 326, result has 16.2 percent of original size [2021-11-21 04:37:03,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 106 treesize of output 144 [2021-11-21 04:37:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:03,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:03,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:03,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 49 [2021-11-21 04:37:04,744 INFO L354 Elim1Store]: treesize reduction 398, result has 14.8 percent of original size [2021-11-21 04:37:04,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 101 treesize of output 145 [2021-11-21 04:37:04,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:37:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:04,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 44 [2021-11-21 04:37:07,148 INFO L354 Elim1Store]: treesize reduction 236, result has 15.7 percent of original size [2021-11-21 04:37:07,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 70 [2021-11-21 04:37:11,577 INFO L354 Elim1Store]: treesize reduction 280, result has 14.1 percent of original size [2021-11-21 04:37:11,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 70 treesize of output 73 [2021-11-21 04:37:13,855 INFO L354 Elim1Store]: treesize reduction 1135, result has 10.1 percent of original size [2021-11-21 04:37:13,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 156 treesize of output 221 [2021-11-21 04:37:13,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:37:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:37:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:14,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 94 [2021-11-21 04:37:16,639 INFO L354 Elim1Store]: treesize reduction 1213, result has 10.3 percent of original size [2021-11-21 04:37:16,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 169 treesize of output 240 [2021-11-21 04:37:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:37:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:16,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 95 [2021-11-21 04:37:19,247 INFO L354 Elim1Store]: treesize reduction 1303, result has 9.6 percent of original size [2021-11-21 04:37:19,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 182 treesize of output 247 [2021-11-21 04:37:19,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:37:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 92 [2021-11-21 04:37:22,003 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-21 04:37:22,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 82 treesize of output 81 [2021-11-21 04:37:24,302 INFO L354 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2021-11-21 04:37:24,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 84 treesize of output 83 [2021-11-21 04:37:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:38:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 81 states and 148 transitions. [2021-11-21 04:38:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 148 transitions. [2021-11-21 04:38:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:38:37,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:37,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:37,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-21 04:38:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:38:41,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 04:38:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:38:44,802 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 04:38:44,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-21 04:38:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:38:46,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 04:38:46,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-21 04:38:47,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-21 04:39:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 89 states and 164 transitions. [2021-11-21 04:40:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 164 transitions. [2021-11-21 04:40:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:40:16,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:16,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:16,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:40:16,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:40:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:42:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 96 states and 176 transitions. [2021-11-21 04:42:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2021-11-21 04:42:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:42:01,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:01,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:01,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:42:01,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:42:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:42:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 100 states and 181 transitions. [2021-11-21 04:42:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2021-11-21 04:42:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:42:38,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:38,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:38,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:42:38,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:42:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:43:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 183 transitions. [2021-11-21 04:43:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 183 transitions. [2021-11-21 04:43:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:43:42,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 187 transitions. [2021-11-21 04:44:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2021-11-21 04:44:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:44:21,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:21,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:21,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:44:21,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 91 states and 162 transitions. [2021-11-21 04:45:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 162 transitions. [2021-11-21 04:45:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:45:14,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:14,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:14,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:45:14,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:45:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.