./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array25_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL --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 d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:03:14,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:03:14,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:03:14,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:03:14,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:03:14,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:03:14,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:03:14,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:03:14,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:03:14,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:03:14,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:03:14,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:03:14,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:03:14,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:03:14,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:03:14,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:03:14,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:03:14,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:03:14,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:03:14,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:03:14,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:03:14,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:03:14,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:03:14,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:03:14,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:03:14,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:03:14,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:03:14,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:03:14,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:03:14,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:03:14,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:03:14,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:03:14,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:03:14,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:03:14,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:03:14,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:03:14,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:03:14,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:03:14,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:03:14,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:03:14,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:03:14,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 08:03:14,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:03:14,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:03:14,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:03:14,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:03:14,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:03:14,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:03:14,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:03:14,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 08:03:14,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:03:14,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 08:03:14,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:03:14,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:03:14,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:03:14,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:03:14,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 08:03:14,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:03:14,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:03:14,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:03:14,759 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:03:14,759 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:03:14,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:03:14,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:03:14,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:03:14,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:03:14,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:03:14,760 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:03:14,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:03:14,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:03:14,761 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_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2021-11-25 08:03:15,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:03:15,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:03:15,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:03:15,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:03:15,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:03:15,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-patterns/array25_pattern.c [2021-11-25 08:03:15,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/data/a566aae83/7ed56061070e48c0bd71e95f205cb367/FLAG9d9737251 [2021-11-25 08:03:15,803 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:03:15,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/sv-benchmarks/c/array-patterns/array25_pattern.c [2021-11-25 08:03:15,817 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/data/a566aae83/7ed56061070e48c0bd71e95f205cb367/FLAG9d9737251 [2021-11-25 08:03:16,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/data/a566aae83/7ed56061070e48c0bd71e95f205cb367 [2021-11-25 08:03:16,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:03:16,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:03:16,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:03:16,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:03:16,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:03:16,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1461e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16, skipping insertion in model container [2021-11-25 08:03:16,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:03:16,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:03:16,329 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_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2021-11-25 08:03:16,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:03:16,357 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:03:16,380 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_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2021-11-25 08:03:16,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:03:16,415 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:03:16,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16 WrapperNode [2021-11-25 08:03:16,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:03:16,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:03:16,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:03:16,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:03:16,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,485 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2021-11-25 08:03:16,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:03:16,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:03:16,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:03:16,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:03:16,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:03:16,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:03:16,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:03:16,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:03:16,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:16" (1/1) ... [2021-11-25 08:03:16,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:03:16,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:03:16,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:03:16,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb8f64e-c781-4a2d-ab94-0478e3dd3dcb/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:03:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 08:03:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 08:03:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 08:03:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 08:03:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:03:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:03:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 08:03:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 08:03:16,725 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:03:16,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:03:16,954 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:03:17,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:03:17,100 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-25 08:03:17,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:17 BoogieIcfgContainer [2021-11-25 08:03:17,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:03:17,103 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:03:17,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:03:17,115 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:03:17,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:17" (1/1) ... [2021-11-25 08:03:17,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:03:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:17,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2021-11-25 08:03:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2021-11-25 08:03:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 08:03:17,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:17,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:03:17,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2021-11-25 08:03:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2021-11-25 08:03:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 08:03:17,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:17,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:17,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:03:17,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2021-11-25 08:03:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2021-11-25 08:03:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 08:03:17,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:17,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:17,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:03:17,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 17 states and 34 transitions. [2021-11-25 08:03:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 34 transitions. [2021-11-25 08:03:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 08:03:18,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:18,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:18,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:03:18,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:03:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2021-11-25 08:03:18,497 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2021-11-25 08:03:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 08:03:18,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:18,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:18,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:18,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 22 states and 48 transitions. [2021-11-25 08:03:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 48 transitions. [2021-11-25 08:03:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 08:03:19,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:19,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:19,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:03:19,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:03:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 25 states and 54 transitions. [2021-11-25 08:03:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 54 transitions. [2021-11-25 08:03:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 08:03:19,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:19,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:19,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:03:19,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2021-11-25 08:03:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2021-11-25 08:03:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 08:03:20,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:20,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:20,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:03:20,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2021-11-25 08:03:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2021-11-25 08:03:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 08:03:20,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:20,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:20,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:20,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:21,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:21,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 34 states and 70 transitions. [2021-11-25 08:03:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 70 transitions. [2021-11-25 08:03:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 08:03:21,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:21,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:21,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:21,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2021-11-25 08:03:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2021-11-25 08:03:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:03:22,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:22,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:22,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:03:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2021-11-25 08:03:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2021-11-25 08:03:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:03:22,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:22,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:22,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:22,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 08:03:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-11-25 08:03:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-11-25 08:03:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:03:23,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:23,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:23,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:23,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 08:03:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2021-11-25 08:03:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2021-11-25 08:03:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:03:23,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:23,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:23,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:23,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 08:03:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2021-11-25 08:03:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2021-11-25 08:03:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:03:24,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:24,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:24,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:03:24,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 08:03:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2021-11-25 08:03:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2021-11-25 08:03:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:03:24,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:24,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:25,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-25 08:03:25,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:25,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 140 [2021-11-25 08:03:25,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2021-11-25 08:03:25,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:25,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2021-11-25 08:03:25,862 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 0 case distinctions, treesize of input 93 treesize of output 91 [2021-11-25 08:03:25,908 INFO L354 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2021-11-25 08:03:25,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 65 treesize of output 85 [2021-11-25 08:03:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:25,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 40 treesize of output 17 [2021-11-25 08:03:26,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 150 [2021-11-25 08:03:26,497 INFO L354 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2021-11-25 08:03:26,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 70 treesize of output 92 [2021-11-25 08:03:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 38 treesize of output 16 [2021-11-25 08:03:26,775 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 79 treesize of output 68 [2021-11-25 08:03:26,840 INFO L354 Elim1Store]: treesize reduction 256, result has 15.5 percent of original size [2021-11-25 08:03:26,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 67 treesize of output 103 [2021-11-25 08:03:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:26,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 57 treesize of output 30 [2021-11-25 08:03:28,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-25 08:03:28,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 135 treesize of output 42 [2021-11-25 08:03:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2021-11-25 08:03:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2021-11-25 08:03:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:03:33,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:33,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:33,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-25 08:03:33,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:34,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 140 [2021-11-25 08:03:34,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 08:03:34,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 66 [2021-11-25 08:03:34,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:34,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2021-11-25 08:03:34,466 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 0 case distinctions, treesize of input 95 treesize of output 93 [2021-11-25 08:03:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:34,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 08:03:34,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 87 [2021-11-25 08:03:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:34,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 61 treesize of output 26 [2021-11-25 08:03:35,077 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 0 case distinctions, treesize of input 92 treesize of output 88 [2021-11-25 08:03:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 84 [2021-11-25 08:03:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 52 treesize of output 28 [2021-11-25 08:03:35,361 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 79 treesize of output 68 [2021-11-25 08:03:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 103 [2021-11-25 08:03:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:35,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 57 treesize of output 26 [2021-11-25 08:03:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:03:37,099 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 08:03:37,100 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 10 case distinctions, treesize of input 120 treesize of output 42 [2021-11-25 08:03:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 95 transitions. [2021-11-25 08:03:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2021-11-25 08:03:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:03:44,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:44,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:44,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:03:44,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 08:03:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2021-11-25 08:03:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2021-11-25 08:03:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:03:49,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:49,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:49,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:03:49,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 08:03:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2021-11-25 08:03:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2021-11-25 08:03:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:03:52,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:52,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:52,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:03:52,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 08:03:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 101 transitions. [2021-11-25 08:03:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2021-11-25 08:03:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 08:03:55,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:55,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:56,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:03:56,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 08:04:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2021-11-25 08:04:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2021-11-25 08:04:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 08:04:01,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:01,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:01,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:01,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 08:04:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2021-11-25 08:04:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2021-11-25 08:04:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:04,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:04,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:04,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:04,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 08:04:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2021-11-25 08:04:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2021-11-25 08:04:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:04:06,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:06,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:06,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:06,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 08:04:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 122 transitions. [2021-11-25 08:04:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2021-11-25 08:04:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:04:12,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:12,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:12,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:12,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 08:04:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2021-11-25 08:04:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2021-11-25 08:04:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:04:19,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:19,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:19,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:19,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-25 08:04:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 72 states and 121 transitions. [2021-11-25 08:04:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 121 transitions. [2021-11-25 08:04:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:04:27,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:27,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:27,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:27,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-25 08:04:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 114 transitions. [2021-11-25 08:04:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 114 transitions. [2021-11-25 08:04:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:30,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:30,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:30,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:30,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 08:04:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 73 states and 125 transitions. [2021-11-25 08:04:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2021-11-25 08:04:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:33,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:33,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:33,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:33,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 08:04:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 129 transitions. [2021-11-25 08:04:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 129 transitions. [2021-11-25 08:04:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:37,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:37,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:37,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:37,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 08:04:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 77 states and 129 transitions. [2021-11-25 08:04:38,382 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2021-11-25 08:04:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 08:04:38,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:38,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:38,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:04:38,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 50 proven. 30 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-25 08:04:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 131 transitions. [2021-11-25 08:04:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 131 transitions. [2021-11-25 08:04:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 08:04:39,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:39,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:42,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-25 08:04:42,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:42,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 140 [2021-11-25 08:04:42,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2021-11-25 08:04:42,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2021-11-25 08:04:42,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 155 [2021-11-25 08:04:42,347 INFO L354 Elim1Store]: treesize reduction 152, result has 18.7 percent of original size [2021-11-25 08:04:42,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 75 treesize of output 99 [2021-11-25 08:04:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:42,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 70 treesize of output 26 [2021-11-25 08:04:43,129 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 0 case distinctions, treesize of input 113 treesize of output 109 [2021-11-25 08:04:43,216 INFO L354 Elim1Store]: treesize reduction 271, result has 16.9 percent of original size [2021-11-25 08:04:43,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 120 [2021-11-25 08:04:43,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:43,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 45 [2021-11-25 08:04:45,160 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 0 case distinctions, treesize of input 103 treesize of output 97 [2021-11-25 08:04:45,280 INFO L354 Elim1Store]: treesize reduction 248, result has 13.6 percent of original size [2021-11-25 08:04:45,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 71 treesize of output 103 [2021-11-25 08:04:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:45,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 48 treesize of output 24 [2021-11-25 08:04:46,136 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 0 case distinctions, treesize of input 120 treesize of output 112 [2021-11-25 08:04:46,292 INFO L354 Elim1Store]: treesize reduction 428, result has 13.2 percent of original size [2021-11-25 08:04:46,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 86 treesize of output 134 [2021-11-25 08:04:46,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:46,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 106 treesize of output 57 [2021-11-25 08:04:47,127 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 0 case distinctions, treesize of input 136 treesize of output 126 [2021-11-25 08:04:47,272 INFO L354 Elim1Store]: treesize reduction 630, result has 12.9 percent of original size [2021-11-25 08:04:47,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 100 treesize of output 165 [2021-11-25 08:04:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:47,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 102 treesize of output 47 [2021-11-25 08:04:49,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 210 [2021-11-25 08:04:50,069 INFO L354 Elim1Store]: treesize reduction 1020, result has 11.5 percent of original size [2021-11-25 08:04:50,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 case distinctions, treesize of input 130 treesize of output 218 [2021-11-25 08:04:50,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:50,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 134 treesize of output 57 [2021-11-25 08:04:51,277 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 0 case distinctions, treesize of input 175 treesize of output 161 [2021-11-25 08:04:51,525 INFO L354 Elim1Store]: treesize reduction 1172, result has 11.9 percent of original size [2021-11-25 08:04:51,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 35 case distinctions, treesize of input 135 treesize of output 239 [2021-11-25 08:04:51,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:51,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 79 [2021-11-25 08:04:52,669 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 265 treesize of output 224 [2021-11-25 08:04:53,021 INFO L354 Elim1Store]: treesize reduction 1185, result has 11.6 percent of original size [2021-11-25 08:04:53,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 case distinctions, treesize of input 223 treesize of output 238 [2021-11-25 08:04:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:04:53,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 67 [2021-11-25 08:05:15,431 INFO L354 Elim1Store]: treesize reduction 819, result has 0.1 percent of original size [2021-11-25 08:05:15,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 307 treesize of output 67 [2021-11-25 08:05:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 91 states and 156 transitions. [2021-11-25 08:06:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 156 transitions. [2021-11-25 08:06:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 08:06:16,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:16,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:19,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-25 08:06:19,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:19,822 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 0 case distinctions, treesize of input 78 treesize of output 78 [2021-11-25 08:06:19,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 56 [2021-11-25 08:06:19,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2021-11-25 08:06:19,993 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 0 case distinctions, treesize of input 93 treesize of output 91 [2021-11-25 08:06:20,023 INFO L354 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2021-11-25 08:06:20,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 65 treesize of output 85 [2021-11-25 08:06:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:20,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 55 treesize of output 22 [2021-11-25 08:06:20,669 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 0 case distinctions, treesize of input 113 treesize of output 109 [2021-11-25 08:06:20,732 INFO L354 Elim1Store]: treesize reduction 271, result has 16.9 percent of original size [2021-11-25 08:06:20,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 120 [2021-11-25 08:06:20,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:20,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:20,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 48 treesize of output 14 [2021-11-25 08:06:20,947 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 0 case distinctions, treesize of input 103 treesize of output 97 [2021-11-25 08:06:21,072 INFO L354 Elim1Store]: treesize reduction 248, result has 13.6 percent of original size [2021-11-25 08:06:21,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 71 treesize of output 103 [2021-11-25 08:06:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 65 treesize of output 35 [2021-11-25 08:06:21,285 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 0 case distinctions, treesize of input 120 treesize of output 112 [2021-11-25 08:06:21,454 INFO L354 Elim1Store]: treesize reduction 428, result has 13.2 percent of original size [2021-11-25 08:06:21,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 86 treesize of output 134 [2021-11-25 08:06:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:21,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 57 treesize of output 24 [2021-11-25 08:06:21,772 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 0 case distinctions, treesize of input 136 treesize of output 126 [2021-11-25 08:06:22,048 INFO L354 Elim1Store]: treesize reduction 630, result has 12.9 percent of original size [2021-11-25 08:06:22,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 100 treesize of output 165 [2021-11-25 08:06:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:22,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 106 treesize of output 54 [2021-11-25 08:06:23,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 210 [2021-11-25 08:06:24,051 INFO L354 Elim1Store]: treesize reduction 1020, result has 11.5 percent of original size [2021-11-25 08:06:24,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 case distinctions, treesize of input 130 treesize of output 218 [2021-11-25 08:06:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 164 treesize of output 81 [2021-11-25 08:06:24,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 225 [2021-11-25 08:06:24,826 INFO L354 Elim1Store]: treesize reduction 1304, result has 11.4 percent of original size [2021-11-25 08:06:24,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 35 case distinctions, treesize of input 145 treesize of output 253 [2021-11-25 08:06:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:24,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 85 [2021-11-25 08:06:25,920 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 265 treesize of output 224 [2021-11-25 08:06:26,286 INFO L354 Elim1Store]: treesize reduction 1185, result has 11.6 percent of original size [2021-11-25 08:06:26,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 case distinctions, treesize of input 223 treesize of output 238 [2021-11-25 08:06:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:06:26,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 159 [2021-11-25 08:06:40,254 INFO L354 Elim1Store]: treesize reduction 819, result has 0.1 percent of original size [2021-11-25 08:06:40,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 307 treesize of output 67 [2021-11-25 08:06:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 105 states and 170 transitions. [2021-11-25 08:07:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2021-11-25 08:07:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 08:07:29,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:29,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:32,368 WARN L261 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-25 08:07:32,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:32,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 140 [2021-11-25 08:07:32,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2021-11-25 08:07:32,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:07:32,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2021-11-25 08:07:32,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 155 [2021-11-25 08:07:32,575 INFO L354 Elim1Store]: treesize reduction 152, result has 18.7 percent of original size [2021-11-25 08:07:32,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 75 treesize of output 99 [2021-11-25 08:07:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:32,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 72 treesize of output 28 [2021-11-25 08:07:32,727 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 0 case distinctions, treesize of input 113 treesize of output 109 [2021-11-25 08:07:32,806 INFO L354 Elim1Store]: treesize reduction 271, result has 16.9 percent of original size [2021-11-25 08:07:32,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 120 [2021-11-25 08:07:32,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:32,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:32,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:32,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 48 treesize of output 14 [2021-11-25 08:07:33,085 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 0 case distinctions, treesize of input 103 treesize of output 97 [2021-11-25 08:07:33,177 INFO L354 Elim1Store]: treesize reduction 248, result has 13.6 percent of original size [2021-11-25 08:07:33,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 71 treesize of output 103 [2021-11-25 08:07:33,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 48 treesize of output 24 [2021-11-25 08:07:33,378 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 0 case distinctions, treesize of input 120 treesize of output 112 [2021-11-25 08:07:33,510 INFO L354 Elim1Store]: treesize reduction 428, result has 13.2 percent of original size [2021-11-25 08:07:33,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 86 treesize of output 134 [2021-11-25 08:07:33,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:33,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 97 treesize of output 50 [2021-11-25 08:07:33,853 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 0 case distinctions, treesize of input 136 treesize of output 126 [2021-11-25 08:07:34,277 INFO L354 Elim1Store]: treesize reduction 630, result has 12.9 percent of original size [2021-11-25 08:07:34,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 100 treesize of output 165 [2021-11-25 08:07:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:34,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 101 treesize of output 47 [2021-11-25 08:07:35,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 210 [2021-11-25 08:07:35,284 INFO L354 Elim1Store]: treesize reduction 1020, result has 11.5 percent of original size [2021-11-25 08:07:35,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 case distinctions, treesize of input 130 treesize of output 218 [2021-11-25 08:07:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:35,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 204 treesize of output 98 [2021-11-25 08:07:35,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 225 [2021-11-25 08:07:36,138 INFO L354 Elim1Store]: treesize reduction 1304, result has 11.4 percent of original size [2021-11-25 08:07:36,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 35 case distinctions, treesize of input 145 treesize of output 253 [2021-11-25 08:07:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:36,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 90 [2021-11-25 08:07:37,603 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 265 treesize of output 224 [2021-11-25 08:07:37,950 INFO L354 Elim1Store]: treesize reduction 1185, result has 11.6 percent of original size [2021-11-25 08:07:37,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 case distinctions, treesize of input 223 treesize of output 238 [2021-11-25 08:07:38,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:07:38,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 64 [2021-11-25 08:07:50,841 INFO L354 Elim1Store]: treesize reduction 819, result has 0.1 percent of original size [2021-11-25 08:07:50,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 307 treesize of output 67 [2021-11-25 08:07:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2021-11-25 08:07:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2021-11-25 08:07:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 08:07:54,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:54,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:54,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:07:54,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-25 08:08:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 169 transitions. [2021-11-25 08:08:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2021-11-25 08:08:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 08:08:40,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:40,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:40,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:08:40,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-25 08:09:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 108 states and 170 transitions. [2021-11-25 08:09:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2021-11-25 08:09:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 08:09:00,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:00,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:00,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:09:00,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-25 08:09:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 112 states and 176 transitions. [2021-11-25 08:09:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2021-11-25 08:09:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 08:09:32,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:32,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:32,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:09:32,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-25 08:10:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 110 states and 171 transitions. [2021-11-25 08:10:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2021-11-25 08:10:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 08:10:00,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:00,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:00,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:10:00,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-25 08:10:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 116 states and 180 transitions. [2021-11-25 08:10:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2021-11-25 08:10:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 08:10:59,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:59,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:59,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:10:59,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-25 08:11:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 120 states and 185 transitions. [2021-11-25 08:11:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions. [2021-11-25 08:11:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 08:11:34,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:34,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:34,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:11:34,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 45 proven. 70 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-25 08:12:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 125 states and 197 transitions. [2021-11-25 08:12:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions. [2021-11-25 08:12:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 08:12:32,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:32,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:33,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:12:33,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 45 proven. 70 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-25 08:13:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 130 states and 204 transitions. [2021-11-25 08:13:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 204 transitions. [2021-11-25 08:13:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 08:13:53,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:53,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:53,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:13:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 70 proven. 70 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-25 08:14:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 126 states and 198 transitions. [2021-11-25 08:14:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 198 transitions. [2021-11-25 08:14:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 08:14:57,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:57,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:57,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:14:57,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 70 proven. 70 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-25 08:16:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 124 states and 190 transitions. [2021-11-25 08:16:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 190 transitions. [2021-11-25 08:16:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 08:16:03,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:03,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:03,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:16:03,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 53 proven. 70 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-25 08:17:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 128 states and 200 transitions. [2021-11-25 08:17:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 200 transitions. [2021-11-25 08:17:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 08:17:04,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:04,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:04,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:17:04,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 53 proven. 70 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked.