./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:47:33,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:47:33,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:47:33,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:47:33,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:47:33,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:47:33,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:47:33,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:47:33,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:47:33,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:47:33,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:47:33,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:47:33,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:47:33,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:47:33,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:47:33,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:47:33,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:47:33,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:47:33,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:47:33,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:47:33,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:47:33,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:47:33,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:47:33,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:47:33,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:47:33,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:47:33,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:47:33,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:47:33,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:47:33,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:47:33,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:47:33,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:47:33,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:47:33,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:47:33,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:47:33,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:47:33,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:47:33,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:47:33,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:47:33,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:47:33,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:47:33,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:47:33,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:47:33,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:47:33,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:47:33,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:47:33,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:47:33,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:47:33,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:47:33,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:47:33,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:47:33,445 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:47:33,446 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:47:33,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:47:33,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:47:33,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:47:33,447 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:47:33,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:47:33,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:47:33,447 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:47:33,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:47:33,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:47:33,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:47:33,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:47:33,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:47:33,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:47:33,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:47:33,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:47:33,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:47:33,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:47:33,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:47:33,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:47:33,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:47:33,452 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:47:33,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:47:33,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:47:33,453 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:47:33,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:47:33,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:47:33,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:47:33,454 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_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 [2022-11-23 14:47:33,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:47:33,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:47:33,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:47:33,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:47:33,849 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:47:33,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-23 14:47:37,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:47:37,565 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:47:37,566 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-23 14:47:37,607 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/data/3b0d50445/c471f53eee2a4f13a9be301f8c9578a7/FLAG9553666a6 [2022-11-23 14:47:37,622 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/data/3b0d50445/c471f53eee2a4f13a9be301f8c9578a7 [2022-11-23 14:47:37,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:47:37,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:47:37,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:47:37,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:47:37,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:47:37,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:37" (1/1) ... [2022-11-23 14:47:37,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c36bb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:37, skipping insertion in model container [2022-11-23 14:47:37,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:37" (1/1) ... [2022-11-23 14:47:37,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:47:37,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:47:39,461 WARN L237 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_cce7723e-ecd4-465e-8c3e-725ec6ae436d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-23 14:47:39,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:47:39,685 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:47:40,062 WARN L237 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_cce7723e-ecd4-465e-8c3e-725ec6ae436d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-23 14:47:40,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:47:40,261 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:47:40,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40 WrapperNode [2022-11-23 14:47:40,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:47:40,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:47:40,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:47:40,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:47:40,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,463 INFO L138 Inliner]: procedures = 259, calls = 1110, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 2800 [2022-11-23 14:47:40,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:47:40,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:47:40,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:47:40,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:47:40,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:47:40,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:47:40,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:47:40,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:47:40,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (1/1) ... [2022-11-23 14:47:40,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:47:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:47:40,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:47:40,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:47:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:47:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:47:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:47:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:47:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2022-11-23 14:47:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2022-11-23 14:47:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 14:47:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 14:47:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 14:47:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 14:47:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:47:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:47:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:47:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:47:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2022-11-23 14:47:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2022-11-23 14:47:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:47:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:47:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2022-11-23 14:47:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2022-11-23 14:47:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 14:47:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 14:47:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:47:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:47:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:47:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:47:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 14:47:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 14:47:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2022-11-23 14:47:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2022-11-23 14:47:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 14:47:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 14:47:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:47:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 14:47:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 14:47:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2022-11-23 14:47:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2022-11-23 14:47:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:47:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2022-11-23 14:47:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2022-11-23 14:47:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-23 14:47:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-23 14:47:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-23 14:47:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-23 14:47:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2022-11-23 14:47:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2022-11-23 14:47:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 14:47:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 14:47:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-23 14:47:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-23 14:47:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2022-11-23 14:47:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2022-11-23 14:47:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:47:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2022-11-23 14:47:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2022-11-23 14:47:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:47:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2022-11-23 14:47:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2022-11-23 14:47:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-23 14:47:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-23 14:47:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-23 14:47:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-23 14:47:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2022-11-23 14:47:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2022-11-23 14:47:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 14:47:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 14:47:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 14:47:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 14:47:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:47:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 14:47:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 14:47:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:47:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:47:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2022-11-23 14:47:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2022-11-23 14:47:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:47:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:47:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-23 14:47:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-23 14:47:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 14:47:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 14:47:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 14:47:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 14:47:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:47:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:47:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2022-11-23 14:47:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2022-11-23 14:47:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:47:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2022-11-23 14:47:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2022-11-23 14:47:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 14:47:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 14:47:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-23 14:47:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-23 14:47:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 14:47:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 14:47:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2022-11-23 14:47:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2022-11-23 14:47:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:47:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 14:47:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 14:47:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:47:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2022-11-23 14:47:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2022-11-23 14:47:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 14:47:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 14:47:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2022-11-23 14:47:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2022-11-23 14:47:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:47:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 14:47:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 14:47:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 14:47:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-23 14:47:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-23 14:47:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 14:47:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 14:47:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2022-11-23 14:47:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2022-11-23 14:47:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2022-11-23 14:47:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2022-11-23 14:47:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 14:47:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 14:47:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 14:47:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 14:47:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2022-11-23 14:47:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2022-11-23 14:47:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2022-11-23 14:47:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2022-11-23 14:47:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2022-11-23 14:47:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2022-11-23 14:47:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2022-11-23 14:47:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2022-11-23 14:47:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-23 14:47:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-23 14:47:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 14:47:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 14:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 14:47:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 14:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:47:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 14:47:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 14:47:41,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:47:41,485 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:47:41,827 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:47:46,787 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:47:48,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:47:48,012 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:47:48,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:48 BoogieIcfgContainer [2022-11-23 14:47:48,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:47:48,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:47:48,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:47:48,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:47:48,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:47:37" (1/3) ... [2022-11-23 14:47:48,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3860be15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:48, skipping insertion in model container [2022-11-23 14:47:48,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40" (2/3) ... [2022-11-23 14:47:48,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3860be15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:48, skipping insertion in model container [2022-11-23 14:47:48,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:48" (3/3) ... [2022-11-23 14:47:48,027 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-23 14:47:48,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:47:48,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:47:48,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:47:48,193 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79aa8fb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:47:48,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:47:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-23 14:47:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-23 14:47:48,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:47:48,221 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:47:48,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:47:48,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:47:48,227 INFO L85 PathProgramCache]: Analyzing trace with hash 402374460, now seen corresponding path program 1 times [2022-11-23 14:47:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:47:48,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728733523] [2022-11-23 14:47:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:47:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:47:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:47:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:47:49,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:47:49,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728733523] [2022-11-23 14:47:49,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728733523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:47:49,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:47:49,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:47:49,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636083081] [2022-11-23 14:47:49,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:47:49,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:47:49,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:47:49,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:47:49,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:47:49,276 INFO L87 Difference]: Start difference. First operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-23 14:47:51,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:47:54,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:47:56,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:47:58,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:47:58,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:47:58,773 INFO L93 Difference]: Finished difference Result 1689 states and 2421 transitions. [2022-11-23 14:47:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:47:58,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 192 [2022-11-23 14:47:58,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:47:58,800 INFO L225 Difference]: With dead ends: 1689 [2022-11-23 14:47:58,801 INFO L226 Difference]: Without dead ends: 1060 [2022-11-23 14:47:58,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:47:58,815 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 561 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:47:58,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1676 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 278 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-23 14:47:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-23 14:47:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1045. [2022-11-23 14:47:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 635 states have (on average 1.337007874015748) internal successors, (849), 674 states have internal predecessors, (849), 301 states have call successors, (301), 109 states have call predecessors, (301), 108 states have return successors, (294), 289 states have call predecessors, (294), 294 states have call successors, (294) [2022-11-23 14:47:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1444 transitions. [2022-11-23 14:47:59,039 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1444 transitions. Word has length 192 [2022-11-23 14:47:59,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:47:59,040 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1444 transitions. [2022-11-23 14:47:59,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-23 14:47:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1444 transitions. [2022-11-23 14:47:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-23 14:47:59,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:47:59,045 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:47:59,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:47:59,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:47:59,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:47:59,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1884496067, now seen corresponding path program 1 times [2022-11-23 14:47:59,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:47:59,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232648463] [2022-11-23 14:47:59,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:47:59,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:47:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:47:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:47:59,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:47:59,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232648463] [2022-11-23 14:47:59,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232648463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:47:59,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:47:59,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:47:59,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127176144] [2022-11-23 14:47:59,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:47:59,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:47:59,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:47:59,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:47:59,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:47:59,587 INFO L87 Difference]: Start difference. First operand 1045 states and 1444 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-23 14:48:01,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:02,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:07,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:07,791 INFO L93 Difference]: Finished difference Result 2956 states and 4076 transitions. [2022-11-23 14:48:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:48:07,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 193 [2022-11-23 14:48:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:07,807 INFO L225 Difference]: With dead ends: 2956 [2022-11-23 14:48:07,807 INFO L226 Difference]: Without dead ends: 1950 [2022-11-23 14:48:07,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:07,813 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 822 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:07,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1905 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 311 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-23 14:48:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-11-23 14:48:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1945. [2022-11-23 14:48:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1190 states have (on average 1.3386554621848739) internal successors, (1593), 1257 states have internal predecessors, (1593), 546 states have call successors, (546), 209 states have call predecessors, (546), 208 states have return successors, (539), 530 states have call predecessors, (539), 539 states have call successors, (539) [2022-11-23 14:48:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2678 transitions. [2022-11-23 14:48:08,008 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2678 transitions. Word has length 193 [2022-11-23 14:48:08,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:08,009 INFO L495 AbstractCegarLoop]: Abstraction has 1945 states and 2678 transitions. [2022-11-23 14:48:08,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-23 14:48:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2678 transitions. [2022-11-23 14:48:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-23 14:48:08,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:08,014 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:08,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:48:08,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:08,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1941552709, now seen corresponding path program 1 times [2022-11-23 14:48:08,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:08,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178684351] [2022-11-23 14:48:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:08,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:48:08,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:08,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178684351] [2022-11-23 14:48:08,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178684351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:08,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:08,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:08,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572107446] [2022-11-23 14:48:08,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:08,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:48:08,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:08,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:48:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:08,532 INFO L87 Difference]: Start difference. First operand 1945 states and 2678 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:10,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:12,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:15,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:17,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:17,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:17,686 INFO L93 Difference]: Finished difference Result 4827 states and 6613 transitions. [2022-11-23 14:48:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:48:17,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2022-11-23 14:48:17,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:17,711 INFO L225 Difference]: With dead ends: 4827 [2022-11-23 14:48:17,711 INFO L226 Difference]: Without dead ends: 2921 [2022-11-23 14:48:17,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:17,723 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 581 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:17,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1619 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-11-23 14:48:17,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-11-23 14:48:17,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2896. [2022-11-23 14:48:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 1769 states have (on average 1.3403052572074619) internal successors, (2371), 1870 states have internal predecessors, (2371), 794 states have call successors, (794), 343 states have call predecessors, (794), 332 states have return successors, (795), 756 states have call predecessors, (795), 787 states have call successors, (795) [2022-11-23 14:48:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3960 transitions. [2022-11-23 14:48:17,927 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3960 transitions. Word has length 213 [2022-11-23 14:48:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:17,929 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3960 transitions. [2022-11-23 14:48:17,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3960 transitions. [2022-11-23 14:48:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-23 14:48:17,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:17,934 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:17,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:48:17,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:17,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:17,935 INFO L85 PathProgramCache]: Analyzing trace with hash 913479848, now seen corresponding path program 1 times [2022-11-23 14:48:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:17,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052131554] [2022-11-23 14:48:17,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:17,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:48:18,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:18,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052131554] [2022-11-23 14:48:18,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052131554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:18,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:18,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:48:18,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116372301] [2022-11-23 14:48:18,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:18,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:48:18,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:48:18,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:48:18,964 INFO L87 Difference]: Start difference. First operand 2896 states and 3960 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 14:48:20,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:24,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:26,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:30,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:30,475 INFO L93 Difference]: Finished difference Result 8133 states and 11196 transitions. [2022-11-23 14:48:30,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:48:30,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2022-11-23 14:48:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:30,513 INFO L225 Difference]: With dead ends: 8133 [2022-11-23 14:48:30,514 INFO L226 Difference]: Without dead ends: 5275 [2022-11-23 14:48:30,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:48:30,531 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1158 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 519 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:30,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 1097 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1260 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-23 14:48:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5275 states. [2022-11-23 14:48:30,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5275 to 5228. [2022-11-23 14:48:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 3242 states have (on average 1.3470080197409007) internal successors, (4367), 3437 states have internal predecessors, (4367), 1397 states have call successors, (1397), 631 states have call predecessors, (1397), 588 states have return successors, (1426), 1277 states have call predecessors, (1426), 1386 states have call successors, (1426) [2022-11-23 14:48:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 7190 transitions. [2022-11-23 14:48:30,854 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 7190 transitions. Word has length 217 [2022-11-23 14:48:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:30,855 INFO L495 AbstractCegarLoop]: Abstraction has 5228 states and 7190 transitions. [2022-11-23 14:48:30,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 14:48:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 7190 transitions. [2022-11-23 14:48:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-23 14:48:30,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:30,861 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:30,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:48:30,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:30,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:30,862 INFO L85 PathProgramCache]: Analyzing trace with hash 641816684, now seen corresponding path program 1 times [2022-11-23 14:48:30,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:30,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725029983] [2022-11-23 14:48:30,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:30,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:48:31,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:31,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725029983] [2022-11-23 14:48:31,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725029983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:31,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:31,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:31,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652282509] [2022-11-23 14:48:31,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:31,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:48:31,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:48:31,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:31,289 INFO L87 Difference]: Start difference. First operand 5228 states and 7190 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:33,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:36,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:36,757 INFO L93 Difference]: Finished difference Result 5230 states and 7191 transitions. [2022-11-23 14:48:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:48:36,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-11-23 14:48:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:36,792 INFO L225 Difference]: With dead ends: 5230 [2022-11-23 14:48:36,792 INFO L226 Difference]: Without dead ends: 5227 [2022-11-23 14:48:36,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:36,799 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 851 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:36,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 774 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-23 14:48:36,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2022-11-23 14:48:37,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 5227. [2022-11-23 14:48:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 3242 states have (on average 1.3463911165946947) internal successors, (4365), 3436 states have internal predecessors, (4365), 1396 states have call successors, (1396), 631 states have call predecessors, (1396), 588 states have return successors, (1426), 1277 states have call predecessors, (1426), 1386 states have call successors, (1426) [2022-11-23 14:48:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 7187 transitions. [2022-11-23 14:48:37,223 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 7187 transitions. Word has length 218 [2022-11-23 14:48:37,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:37,224 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 7187 transitions. [2022-11-23 14:48:37,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:37,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 7187 transitions. [2022-11-23 14:48:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-23 14:48:37,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:37,230 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:37,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:48:37,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:37,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:37,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1578771442, now seen corresponding path program 1 times [2022-11-23 14:48:37,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:37,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592903680] [2022-11-23 14:48:37,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:37,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:48:37,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:37,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592903680] [2022-11-23 14:48:37,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592903680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:37,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:37,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:37,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273517670] [2022-11-23 14:48:37,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:37,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:48:37,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:37,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:48:37,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:37,605 INFO L87 Difference]: Start difference. First operand 5227 states and 7187 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:39,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:41,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:42,759 INFO L93 Difference]: Finished difference Result 5229 states and 7188 transitions. [2022-11-23 14:48:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:48:42,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2022-11-23 14:48:42,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:42,794 INFO L225 Difference]: With dead ends: 5229 [2022-11-23 14:48:42,794 INFO L226 Difference]: Without dead ends: 5226 [2022-11-23 14:48:42,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:42,800 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 848 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:42,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 772 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-23 14:48:42,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2022-11-23 14:48:43,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 5226. [2022-11-23 14:48:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 3242 states have (on average 1.3457742134484887) internal successors, (4363), 3435 states have internal predecessors, (4363), 1395 states have call successors, (1395), 631 states have call predecessors, (1395), 588 states have return successors, (1426), 1277 states have call predecessors, (1426), 1386 states have call successors, (1426) [2022-11-23 14:48:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 7184 transitions. [2022-11-23 14:48:43,238 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 7184 transitions. Word has length 219 [2022-11-23 14:48:43,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:43,239 INFO L495 AbstractCegarLoop]: Abstraction has 5226 states and 7184 transitions. [2022-11-23 14:48:43,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 7184 transitions. [2022-11-23 14:48:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-23 14:48:43,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:43,243 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:43,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:48:43,244 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:43,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1697521745, now seen corresponding path program 1 times [2022-11-23 14:48:43,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:43,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276490435] [2022-11-23 14:48:43,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:43,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:48:43,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:43,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276490435] [2022-11-23 14:48:43,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276490435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:43,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:43,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:43,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951489158] [2022-11-23 14:48:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:43,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:48:43,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:48:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:43,676 INFO L87 Difference]: Start difference. First operand 5226 states and 7184 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:45,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:48,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:50,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:50,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:50,763 INFO L93 Difference]: Finished difference Result 5636 states and 7709 transitions. [2022-11-23 14:48:50,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:48:50,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 220 [2022-11-23 14:48:50,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:50,793 INFO L225 Difference]: With dead ends: 5636 [2022-11-23 14:48:50,793 INFO L226 Difference]: Without dead ends: 5599 [2022-11-23 14:48:50,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:50,797 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 829 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:50,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 842 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-23 14:48:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5599 states. [2022-11-23 14:48:51,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5599 to 5500. [2022-11-23 14:48:51,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5500 states, 3422 states have (on average 1.3506721215663355) internal successors, (4622), 3634 states have internal predecessors, (4622), 1431 states have call successors, (1431), 690 states have call predecessors, (1431), 646 states have return successors, (1451), 1298 states have call predecessors, (1451), 1411 states have call successors, (1451) [2022-11-23 14:48:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 5500 states and 7504 transitions. [2022-11-23 14:48:51,241 INFO L78 Accepts]: Start accepts. Automaton has 5500 states and 7504 transitions. Word has length 220 [2022-11-23 14:48:51,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:51,242 INFO L495 AbstractCegarLoop]: Abstraction has 5500 states and 7504 transitions. [2022-11-23 14:48:51,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 14:48:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5500 states and 7504 transitions. [2022-11-23 14:48:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-23 14:48:51,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:51,246 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:51,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:48:51,247 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2130811945, now seen corresponding path program 1 times [2022-11-23 14:48:51,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:51,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650189380] [2022-11-23 14:48:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:51,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-23 14:48:51,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:51,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650189380] [2022-11-23 14:48:51,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650189380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:51,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:51,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:51,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576527683] [2022-11-23 14:48:51,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:51,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:48:51,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:48:51,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:51,717 INFO L87 Difference]: Start difference. First operand 5500 states and 7504 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 14:48:53,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:48:57,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:48:59,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:00,730 INFO L93 Difference]: Finished difference Result 5706 states and 7706 transitions. [2022-11-23 14:49:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:00,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 226 [2022-11-23 14:49:00,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:00,761 INFO L225 Difference]: With dead ends: 5706 [2022-11-23 14:49:00,769 INFO L226 Difference]: Without dead ends: 5472 [2022-11-23 14:49:00,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:00,775 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 52 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:00,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1482 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-23 14:49:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5472 states. [2022-11-23 14:49:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5472 to 5439. [2022-11-23 14:49:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 3402 states have (on average 1.347442680776014) internal successors, (4584), 3589 states have internal predecessors, (4584), 1388 states have call successors, (1388), 697 states have call predecessors, (1388), 648 states have return successors, (1411), 1269 states have call predecessors, (1411), 1371 states have call successors, (1411) [2022-11-23 14:49:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7383 transitions. [2022-11-23 14:49:01,240 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7383 transitions. Word has length 226 [2022-11-23 14:49:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:01,241 INFO L495 AbstractCegarLoop]: Abstraction has 5439 states and 7383 transitions. [2022-11-23 14:49:01,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 14:49:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7383 transitions. [2022-11-23 14:49:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-23 14:49:01,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:01,246 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:01,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 14:49:01,247 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:49:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash -509699945, now seen corresponding path program 1 times [2022-11-23 14:49:01,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:01,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542321260] [2022-11-23 14:49:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:01,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-23 14:49:01,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:01,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542321260] [2022-11-23 14:49:01,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542321260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:01,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:01,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:49:01,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843100141] [2022-11-23 14:49:01,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:01,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:49:01,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:01,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:49:01,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:01,610 INFO L87 Difference]: Start difference. First operand 5439 states and 7383 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-23 14:49:03,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:06,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:11,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:14,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:14,010 INFO L93 Difference]: Finished difference Result 14079 states and 19150 transitions. [2022-11-23 14:49:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:14,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 252 [2022-11-23 14:49:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:14,053 INFO L225 Difference]: With dead ends: 14079 [2022-11-23 14:49:14,054 INFO L226 Difference]: Without dead ends: 8645 [2022-11-23 14:49:14,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:14,076 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 770 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:14,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 2004 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-11-23 14:49:14,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8645 states. [2022-11-23 14:49:14,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8645 to 8602. [2022-11-23 14:49:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8602 states, 5428 states have (on average 1.3570375829034635) internal successors, (7366), 5732 states have internal predecessors, (7366), 2143 states have call successors, (2143), 1096 states have call predecessors, (2143), 1030 states have return successors, (2176), 1968 states have call predecessors, (2176), 2123 states have call successors, (2176) [2022-11-23 14:49:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8602 states to 8602 states and 11685 transitions. [2022-11-23 14:49:14,728 INFO L78 Accepts]: Start accepts. Automaton has 8602 states and 11685 transitions. Word has length 252 [2022-11-23 14:49:14,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:14,729 INFO L495 AbstractCegarLoop]: Abstraction has 8602 states and 11685 transitions. [2022-11-23 14:49:14,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-23 14:49:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 8602 states and 11685 transitions. [2022-11-23 14:49:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-23 14:49:14,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:14,736 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:14,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 14:49:14,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:49:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -867739844, now seen corresponding path program 1 times [2022-11-23 14:49:14,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:14,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523311151] [2022-11-23 14:49:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-23 14:49:15,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:15,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523311151] [2022-11-23 14:49:15,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523311151] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:49:15,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610185301] [2022-11-23 14:49:15,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:49:15,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:49:15,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:49:15,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:49:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:16,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 2831 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:49:16,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:49:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-11-23 14:49:16,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:49:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-11-23 14:49:17,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610185301] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 14:49:17,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:49:17,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5 [2022-11-23 14:49:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150611316] [2022-11-23 14:49:17,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:17,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:49:17,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:17,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:49:17,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:17,063 INFO L87 Difference]: Start difference. First operand 8602 states and 11685 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-23 14:49:19,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:21,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:22,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:25,749 INFO L93 Difference]: Finished difference Result 20399 states and 27752 transitions. [2022-11-23 14:49:25,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:25,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 260 [2022-11-23 14:49:25,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:25,804 INFO L225 Difference]: With dead ends: 20399 [2022-11-23 14:49:25,804 INFO L226 Difference]: Without dead ends: 11828 [2022-11-23 14:49:25,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:25,837 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 815 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:25,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 1644 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 277 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-23 14:49:25,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11828 states. [2022-11-23 14:49:26,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11828 to 11800. [2022-11-23 14:49:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11800 states, 7473 states have (on average 1.3651813194165663) internal successors, (10202), 7896 states have internal predecessors, (10202), 2910 states have call successors, (2910), 1504 states have call predecessors, (2910), 1416 states have return successors, (2950), 2673 states have call predecessors, (2950), 2884 states have call successors, (2950) [2022-11-23 14:49:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11800 states to 11800 states and 16062 transitions. [2022-11-23 14:49:26,857 INFO L78 Accepts]: Start accepts. Automaton has 11800 states and 16062 transitions. Word has length 260 [2022-11-23 14:49:26,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:26,858 INFO L495 AbstractCegarLoop]: Abstraction has 11800 states and 16062 transitions. [2022-11-23 14:49:26,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-23 14:49:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 11800 states and 16062 transitions. [2022-11-23 14:49:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-23 14:49:26,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:26,870 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:26,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:49:27,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 14:49:27,083 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:49:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1381403275, now seen corresponding path program 1 times [2022-11-23 14:49:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:27,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279832662] [2022-11-23 14:49:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:27,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-23 14:49:27,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:27,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279832662] [2022-11-23 14:49:27,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279832662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:27,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:27,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:49:27,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648628638] [2022-11-23 14:49:27,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:27,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:49:27,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:27,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:49:27,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:49:27,565 INFO L87 Difference]: Start difference. First operand 11800 states and 16062 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-23 14:49:29,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:36,911 INFO L93 Difference]: Finished difference Result 25185 states and 34591 transitions. [2022-11-23 14:49:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:36,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 286 [2022-11-23 14:49:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:36,977 INFO L225 Difference]: With dead ends: 25185 [2022-11-23 14:49:36,977 INFO L226 Difference]: Without dead ends: 13432 [2022-11-23 14:49:37,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:37,020 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 1190 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 89 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:37,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 2161 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 454 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-23 14:49:37,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13432 states. [2022-11-23 14:49:38,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13432 to 11983. [2022-11-23 14:49:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11983 states, 7576 states have (on average 1.3625923970432947) internal successors, (10323), 8013 states have internal predecessors, (10323), 2954 states have call successors, (2954), 1539 states have call predecessors, (2954), 1452 states have return successors, (2995), 2710 states have call predecessors, (2995), 2928 states have call successors, (2995) [2022-11-23 14:49:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11983 states to 11983 states and 16272 transitions. [2022-11-23 14:49:38,332 INFO L78 Accepts]: Start accepts. Automaton has 11983 states and 16272 transitions. Word has length 286 [2022-11-23 14:49:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:38,332 INFO L495 AbstractCegarLoop]: Abstraction has 11983 states and 16272 transitions. [2022-11-23 14:49:38,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-23 14:49:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 11983 states and 16272 transitions. [2022-11-23 14:49:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-23 14:49:38,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:38,344 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:38,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 14:49:38,345 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:49:38,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:38,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1954425656, now seen corresponding path program 1 times [2022-11-23 14:49:38,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:38,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771488149] [2022-11-23 14:49:38,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:38,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-11-23 14:49:40,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:40,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771488149] [2022-11-23 14:49:40,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771488149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:40,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:40,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:49:40,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434126434] [2022-11-23 14:49:40,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:40,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:49:40,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:40,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:49:40,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:49:40,286 INFO L87 Difference]: Start difference. First operand 11983 states and 16272 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-23 14:49:42,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:45,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:48,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:55,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:49:58,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:01,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:01,973 INFO L93 Difference]: Finished difference Result 18813 states and 25918 transitions. [2022-11-23 14:50:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 14:50:01,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 286 [2022-11-23 14:50:01,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:02,055 INFO L225 Difference]: With dead ends: 18813 [2022-11-23 14:50:02,056 INFO L226 Difference]: Without dead ends: 18774 [2022-11-23 14:50:02,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:50:02,065 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 1487 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 3915 mSolverCounterSat, 628 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 4545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 3915 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:02,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 2992 Invalid, 4545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [628 Valid, 3915 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2022-11-23 14:50:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18774 states. [2022-11-23 14:50:03,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18774 to 17245. [2022-11-23 14:50:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17245 states, 10958 states have (on average 1.3674940682606316) internal successors, (14985), 11590 states have internal predecessors, (14985), 4178 states have call successors, (4178), 2195 states have call predecessors, (4178), 2108 states have return successors, (4253), 3860 states have call predecessors, (4253), 4152 states have call successors, (4253) [2022-11-23 14:50:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17245 states to 17245 states and 23416 transitions. [2022-11-23 14:50:03,471 INFO L78 Accepts]: Start accepts. Automaton has 17245 states and 23416 transitions. Word has length 286 [2022-11-23 14:50:03,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:03,472 INFO L495 AbstractCegarLoop]: Abstraction has 17245 states and 23416 transitions. [2022-11-23 14:50:03,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-23 14:50:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 17245 states and 23416 transitions. [2022-11-23 14:50:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-23 14:50:03,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:03,483 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:50:03,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 14:50:03,484 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:03,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:03,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1663098773, now seen corresponding path program 1 times [2022-11-23 14:50:03,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:03,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091631071] [2022-11-23 14:50:03,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-23 14:50:04,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:04,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091631071] [2022-11-23 14:50:04,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091631071] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:50:04,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086622573] [2022-11-23 14:50:04,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:04,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:04,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:04,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:04,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:50:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:06,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-23 14:50:06,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-23 14:50:06,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:50:06,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086622573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:06,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:50:06,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-23 14:50:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594933334] [2022-11-23 14:50:06,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:06,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:50:06,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:06,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:50:06,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:50:06,376 INFO L87 Difference]: Start difference. First operand 17245 states and 23416 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-23 14:50:08,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:11,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:13,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:14,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:18,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:19,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:19,377 INFO L93 Difference]: Finished difference Result 35072 states and 47871 transitions. [2022-11-23 14:50:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:50:19,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 287 [2022-11-23 14:50:19,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:19,631 INFO L225 Difference]: With dead ends: 35072 [2022-11-23 14:50:19,631 INFO L226 Difference]: Without dead ends: 17511 [2022-11-23 14:50:19,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:50:19,683 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 67 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:19,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2281 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 398 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-11-23 14:50:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17511 states. [2022-11-23 14:50:20,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17511 to 17499. [2022-11-23 14:50:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17499 states, 11117 states have (on average 1.3651164882612215) internal successors, (15176), 11775 states have internal predecessors, (15176), 4265 states have call successors, (4265), 2201 states have call predecessors, (4265), 2116 states have return successors, (4337), 3941 states have call predecessors, (4337), 4236 states have call successors, (4337) [2022-11-23 14:50:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17499 states to 17499 states and 23778 transitions. [2022-11-23 14:50:20,971 INFO L78 Accepts]: Start accepts. Automaton has 17499 states and 23778 transitions. Word has length 287 [2022-11-23 14:50:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:20,971 INFO L495 AbstractCegarLoop]: Abstraction has 17499 states and 23778 transitions. [2022-11-23 14:50:20,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-23 14:50:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 17499 states and 23778 transitions. [2022-11-23 14:50:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-23 14:50:20,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:20,984 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:50:20,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:50:21,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:21,199 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:21,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2032179541, now seen corresponding path program 1 times [2022-11-23 14:50:21,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:21,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106310327] [2022-11-23 14:50:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:21,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-23 14:50:22,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:22,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106310327] [2022-11-23 14:50:22,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106310327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:50:22,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358011418] [2022-11-23 14:50:22,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:22,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:22,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:22,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:22,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:50:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:24,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 14:50:24,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2022-11-23 14:50:24,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:50:24,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358011418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:24,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:50:24,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-23 14:50:24,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450930232] [2022-11-23 14:50:24,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:24,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:50:24,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:24,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:50:24,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:50:24,675 INFO L87 Difference]: Start difference. First operand 17499 states and 23778 transitions. Second operand has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 14:50:26,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:30,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:32,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:39,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:41,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:43,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:50:45,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:45,283 INFO L93 Difference]: Finished difference Result 35046 states and 47821 transitions. [2022-11-23 14:50:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:50:45,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 287 [2022-11-23 14:50:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:45,382 INFO L225 Difference]: With dead ends: 35046 [2022-11-23 14:50:45,383 INFO L226 Difference]: Without dead ends: 17536 [2022-11-23 14:50:45,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:50:45,456 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 3 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:45,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3754 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 715 Invalid, 3 Unknown, 0 Unchecked, 19.1s Time] [2022-11-23 14:50:45,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17536 states. [2022-11-23 14:50:46,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17536 to 17536. [2022-11-23 14:50:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17536 states, 11154 states have (on average 1.363905325443787) internal successors, (15213), 11812 states have internal predecessors, (15213), 4265 states have call successors, (4265), 2201 states have call predecessors, (4265), 2116 states have return successors, (4337), 3941 states have call predecessors, (4337), 4236 states have call successors, (4337) [2022-11-23 14:50:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17536 states to 17536 states and 23815 transitions. [2022-11-23 14:50:47,055 INFO L78 Accepts]: Start accepts. Automaton has 17536 states and 23815 transitions. Word has length 287 [2022-11-23 14:50:47,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:47,056 INFO L495 AbstractCegarLoop]: Abstraction has 17536 states and 23815 transitions. [2022-11-23 14:50:47,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 14:50:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 17536 states and 23815 transitions. [2022-11-23 14:50:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-23 14:50:47,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:47,070 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:50:47,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 14:50:47,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 14:50:47,283 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:47,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1980393857, now seen corresponding path program 1 times [2022-11-23 14:50:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:47,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475669262] [2022-11-23 14:50:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:47,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-23 14:50:48,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:48,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475669262] [2022-11-23 14:50:48,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475669262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:50:48,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079285934] [2022-11-23 14:50:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:48,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:48,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:48,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce7723e-ecd4-465e-8c3e-725ec6ae436d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:50:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:50,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 3217 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 14:50:50,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-11-23 14:50:50,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:50:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-23 14:50:51,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079285934] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:50:51,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [927323737] [2022-11-23 14:50:51,584 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2022-11-23 14:50:51,584 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:50:51,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:50:51,595 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:50:51,596 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:50:53,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 85 [2022-11-23 14:50:53,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-23 14:50:53,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-23 14:50:54,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-23 14:50:54,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-23 14:50:54,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-23 14:50:54,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-23 14:50:54,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 76 treesize of output 84 [2022-11-23 14:50:54,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-23 14:50:54,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-23 14:50:54,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-23 14:50:54,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-23 14:50:54,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 14:50:55,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:50:55,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:55,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:50:55,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:50:55,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:55,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-23 14:50:55,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:55,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:55,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-23 14:50:55,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:55,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 14:50:56,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:50:56,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:50:56,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:50:56,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:56,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:56,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:56,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-23 14:50:56,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:56,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-23 14:50:56,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 60 [2022-11-23 14:50:56,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:56,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:50:57,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 14:50:57,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:57,725 INFO L217 Elim1Store]: Index analysis took 475 ms [2022-11-23 14:51:14,760 WARN L233 SmtUtils]: Spent 17.01s on a formula simplification. DAG size of input: 1101 DAG size of output: 440 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:51:14,765 INFO L321 Elim1Store]: treesize reduction 6221, result has 14.0 percent of original size [2022-11-23 14:51:14,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 424 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 36 case distinctions, treesize of input 176 treesize of output 1113 [2022-11-23 14:51:15,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:51:15,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:15,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:51:16,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:51:16,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:51:16,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:51:16,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 63 [2022-11-23 14:51:16,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:17,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:17,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:17,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:17,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:17,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:51:17,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:18,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:18,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:18,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:18,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 52 treesize of output 64 [2022-11-23 14:51:18,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:19,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:19,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:19,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:19,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:19,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:19,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:51:20,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:20,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:20,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:20,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:20,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 52 treesize of output 64 [2022-11-23 14:51:20,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:20,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:21,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:21,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:21,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:21,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:21,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 14:51:22,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 14:51:22,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 14:51:22,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 14:51:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:24,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:24,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:25,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:25,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:25,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:26,026 INFO L217 Elim1Store]: Index analysis took 2716 ms [2022-11-23 14:51:58,223 WARN L233 SmtUtils]: Spent 32.16s on a formula simplification. DAG size of input: 1653 DAG size of output: 644 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:51:58,225 INFO L321 Elim1Store]: treesize reduction 8352, result has 12.5 percent of original size [2022-11-23 14:51:58,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 453 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 332 case distinctions, treesize of input 370 treesize of output 1465 [2022-11-23 14:51:59,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:51:59,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:51:59,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:51:59,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-23 14:52:00,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:00,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-23 14:52:00,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-23 14:52:00,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 50 treesize of output 62 [2022-11-23 14:52:00,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:00,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:00,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:00,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:01,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 14:52:01,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-23 14:52:01,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:52:01,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-23 14:52:01,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:01,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:01,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:02,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-23 14:52:02,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-23 14:52:02,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:02,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 60 [2022-11-23 14:52:02,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:02,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:09,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:52:09,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 14:52:09,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-23 14:52:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:13,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-23 14:52:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:14,769 INFO L217 Elim1Store]: Index analysis took 555 ms [2022-11-23 14:52:14,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-23 14:52:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:15,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-23 14:52:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:24,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-23 14:52:25,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:25,782 INFO L217 Elim1Store]: Index analysis took 547 ms [2022-11-23 14:52:25,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-23 14:52:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:26,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-23 14:53:32,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:53:32,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:53:32,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:53:33,559 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:53:33,577 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:53:33,621 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:54:01,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:54:01,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:54:02,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:54:02,797 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:54:02,832 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:54:02,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:54:09,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:54:09,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:54:09,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:54:12,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:54:12,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:54:13,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:55:31,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:55:31,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:55:31,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:55:33,004 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:55:33,012 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:55:33,018 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:56:53,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:56:54,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:56:54,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:56:55,608 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:56:55,649 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:56:55,658 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:57:02,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:02,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:57:03,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:06,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:06,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:57:07,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:13,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:57:13,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:14,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:17,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:57:17,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:57:17,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:59:11,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 14:59:11,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:59:11,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:59:13,026 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:59:13,032 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:59:13,051 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:01:04,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 15:01:04,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:01:04,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:01:06,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:01:06,276 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:01:06,278 WARN L207 Elim1Store]: Array PQE input equivalent to false