./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V --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 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:34:07,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:34:07,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:34:07,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:34:07,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:34:07,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:34:07,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:34:07,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:34:07,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:34:07,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:34:07,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:34:07,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:34:07,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:34:07,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:34:07,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:34:07,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:34:07,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:34:07,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:34:07,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:34:07,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:34:07,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:34:07,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:34:07,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:34:07,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:34:07,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:34:07,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:34:07,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:34:07,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:34:07,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:34:07,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:34:07,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:34:07,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:34:07,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:34:07,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:34:07,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:34:07,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:34:07,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:34:07,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:34:07,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:34:07,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:34:07,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:34:07,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:34:07,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:34:07,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:34:07,626 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:34:07,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:34:07,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:34:07,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:34:07,628 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:34:07,628 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:34:07,628 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:34:07,628 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:34:07,629 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:34:07,629 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:34:07,629 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:34:07,629 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:34:07,630 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:34:07,630 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:34:07,630 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:34:07,630 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:34:07,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:34:07,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:34:07,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:34:07,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:34:07,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:34:07,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:34:07,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:34:07,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:34:07,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:34:07,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:34:07,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:34:07,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:07,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:34:07,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:34:07,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:34:07,635 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:34:07,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:34:07,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:34:07,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:34:07,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:34:07,636 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 [2021-11-23 02:34:07,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:34:07,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:34:07,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:34:07,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:34:07,966 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:34:07,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-11-23 02:34:08,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/data/ae9f0d89b/9cb6d335b9d645d59cc93b9b0ca57a9f/FLAG51fcfa791 [2021-11-23 02:34:08,990 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:34:08,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-11-23 02:34:09,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/data/ae9f0d89b/9cb6d335b9d645d59cc93b9b0ca57a9f/FLAG51fcfa791 [2021-11-23 02:34:09,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/data/ae9f0d89b/9cb6d335b9d645d59cc93b9b0ca57a9f [2021-11-23 02:34:09,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:34:09,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:34:09,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:09,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:34:09,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:34:09,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:09" (1/1) ... [2021-11-23 02:34:09,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a14783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:09, skipping insertion in model container [2021-11-23 02:34:09,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:09" (1/1) ... [2021-11-23 02:34:09,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:34:09,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:34:10,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-11-23 02:34:10,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:10,964 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:34:11,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-11-23 02:34:11,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:11,360 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:34:11,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11 WrapperNode [2021-11-23 02:34:11,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:11,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:34:11,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:34:11,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:34:11,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,589 INFO L137 Inliner]: procedures = 175, calls = 797, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 2205 [2021-11-23 02:34:11,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:34:11,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:34:11,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:34:11,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:34:11,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:34:11,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:34:11,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:34:11,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:34:11,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (1/1) ... [2021-11-23 02:34:11,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:11,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:11,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:34:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:34:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:34:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:34:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:34:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:34:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2021-11-23 02:34:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2021-11-23 02:34:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_15 [2021-11-23 02:34:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_15 [2021-11-23 02:34:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:34:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-11-23 02:34:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-11-23 02:34:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:34:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:34:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-23 02:34:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-23 02:34:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:34:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:34:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:34:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 02:34:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 02:34:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-23 02:34:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-23 02:34:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-11-23 02:34:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-11-23 02:34:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:34:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:34:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 02:34:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 02:34:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:34:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:34:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-11-23 02:34:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-11-23 02:34:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_read_bulk_callback [2021-11-23 02:34:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_read_bulk_callback [2021-11-23 02:34:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-23 02:34:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-23 02:34:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-23 02:34:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-23 02:34:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:34:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:34:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:34:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:34:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:34:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:34:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:34:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:34:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:34:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 02:34:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 02:34:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:34:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-23 02:34:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-23 02:34:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2021-11-23 02:34:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2021-11-23 02:34:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:34:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:34:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:34:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:34:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:34:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:34:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:34:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 02:34:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 02:34:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-23 02:34:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-23 02:34:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:34:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:34:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:34:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-23 02:34:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-23 02:34:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-23 02:34:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-23 02:34:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2021-11-23 02:34:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2021-11-23 02:34:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:34:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:34:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_disconnect [2021-11-23 02:34:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_disconnect [2021-11-23 02:34:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 02:34:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 02:34:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:34:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:34:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-23 02:34:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-23 02:34:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:34:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:34:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-11-23 02:34:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-11-23 02:34:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-11-23 02:34:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-11-23 02:34:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:34:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-11-23 02:34:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-11-23 02:34:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 02:34:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 02:34:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:34:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_send_cmd [2021-11-23 02:34:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_send_cmd [2021-11-23 02:34:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:34:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:34:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:34:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:34:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_open [2021-11-23 02:34:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_open [2021-11-23 02:34:12,489 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:34:12,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:34:12,722 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:34:13,318 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-11-23 02:34:16,395 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:34:17,006 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:34:17,007 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:34:17,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:17 BoogieIcfgContainer [2021-11-23 02:34:17,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:34:17,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:34:17,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:34:17,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:34:17,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:09" (1/3) ... [2021-11-23 02:34:17,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f055750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:17, skipping insertion in model container [2021-11-23 02:34:17,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11" (2/3) ... [2021-11-23 02:34:17,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f055750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:17, skipping insertion in model container [2021-11-23 02:34:17,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:17" (3/3) ... [2021-11-23 02:34:17,032 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-11-23 02:34:17,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:34:17,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:34:17,102 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:34:17,118 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:34:17,118 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:34:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 468 states, 292 states have (on average 1.3527397260273972) internal successors, (395), 311 states have internal predecessors, (395), 132 states have call successors, (132), 44 states have call predecessors, (132), 42 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-11-23 02:34:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 02:34:17,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:17,167 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:17,167 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:17,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1233549946, now seen corresponding path program 1 times [2021-11-23 02:34:17,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:17,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247160972] [2021-11-23 02:34:17,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:17,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:34:17,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:17,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247160972] [2021-11-23 02:34:17,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247160972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:17,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:17,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:17,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923263684] [2021-11-23 02:34:17,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:17,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:17,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:17,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:17,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:17,787 INFO L87 Difference]: Start difference. First operand has 468 states, 292 states have (on average 1.3527397260273972) internal successors, (395), 311 states have internal predecessors, (395), 132 states have call successors, (132), 44 states have call predecessors, (132), 42 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:34:20,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:21,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:21,105 INFO L93 Difference]: Finished difference Result 1370 states and 1911 transitions. [2021-11-23 02:34:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:21,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2021-11-23 02:34:21,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:21,135 INFO L225 Difference]: With dead ends: 1370 [2021-11-23 02:34:21,136 INFO L226 Difference]: Without dead ends: 887 [2021-11-23 02:34:21,145 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:21,148 INFO L933 BasicCegarLoop]: 669 mSDtfsCounter, 605 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:21,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 1210 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 02:34:21,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-11-23 02:34:21,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 887. [2021-11-23 02:34:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 562 states have (on average 1.3202846975088969) internal successors, (742), 580 states have internal predecessors, (742), 242 states have call successors, (242), 83 states have call predecessors, (242), 82 states have return successors, (238), 235 states have call predecessors, (238), 237 states have call successors, (238) [2021-11-23 02:34:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1222 transitions. [2021-11-23 02:34:21,369 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1222 transitions. Word has length 23 [2021-11-23 02:34:21,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:21,370 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1222 transitions. [2021-11-23 02:34:21,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:34:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1222 transitions. [2021-11-23 02:34:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 02:34:21,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:21,380 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:21,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:34:21,380 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:21,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:21,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1843138784, now seen corresponding path program 1 times [2021-11-23 02:34:21,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:21,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673191181] [2021-11-23 02:34:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:21,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:34:21,549 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:21,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673191181] [2021-11-23 02:34:21,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673191181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:21,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:21,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:21,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261005702] [2021-11-23 02:34:21,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:21,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:21,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:21,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:21,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:21,553 INFO L87 Difference]: Start difference. First operand 887 states and 1222 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:24,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:24,542 INFO L93 Difference]: Finished difference Result 1423 states and 1948 transitions. [2021-11-23 02:34:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:24,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2021-11-23 02:34:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:24,561 INFO L225 Difference]: With dead ends: 1423 [2021-11-23 02:34:24,561 INFO L226 Difference]: Without dead ends: 1420 [2021-11-23 02:34:24,563 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:24,565 INFO L933 BasicCegarLoop]: 597 mSDtfsCounter, 361 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:24,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 1123 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 02:34:24,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2021-11-23 02:34:24,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1408. [2021-11-23 02:34:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 901 states have (on average 1.3263041065482797) internal successors, (1195), 925 states have internal predecessors, (1195), 370 states have call successors, (370), 139 states have call predecessors, (370), 136 states have return successors, (366), 357 states have call predecessors, (366), 365 states have call successors, (366) [2021-11-23 02:34:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1931 transitions. [2021-11-23 02:34:24,707 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1931 transitions. Word has length 32 [2021-11-23 02:34:24,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:24,708 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 1931 transitions. [2021-11-23 02:34:24,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1931 transitions. [2021-11-23 02:34:24,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 02:34:24,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:24,712 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:24,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:34:24,712 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:24,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:24,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1303063165, now seen corresponding path program 1 times [2021-11-23 02:34:24,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:24,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044027712] [2021-11-23 02:34:24,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:24,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:34:24,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:24,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044027712] [2021-11-23 02:34:24,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044027712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:24,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:24,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:24,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516236054] [2021-11-23 02:34:24,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:24,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:24,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:24,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:24,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:24,847 INFO L87 Difference]: Start difference. First operand 1408 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:27,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:27,623 INFO L93 Difference]: Finished difference Result 1558 states and 2111 transitions. [2021-11-23 02:34:27,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:27,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2021-11-23 02:34:27,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:27,640 INFO L225 Difference]: With dead ends: 1558 [2021-11-23 02:34:27,640 INFO L226 Difference]: Without dead ends: 1555 [2021-11-23 02:34:27,641 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:27,646 INFO L933 BasicCegarLoop]: 574 mSDtfsCounter, 605 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:27,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 715 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 02:34:27,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2021-11-23 02:34:27,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1555. [2021-11-23 02:34:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 990 states have (on average 1.3212121212121213) internal successors, (1308), 1018 states have internal predecessors, (1308), 401 states have call successors, (401), 166 states have call predecessors, (401), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-23 02:34:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2108 transitions. [2021-11-23 02:34:27,755 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2108 transitions. Word has length 33 [2021-11-23 02:34:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:27,756 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2108 transitions. [2021-11-23 02:34:27,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2108 transitions. [2021-11-23 02:34:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:34:27,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:27,759 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:27,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:34:27,759 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1740583293, now seen corresponding path program 1 times [2021-11-23 02:34:27,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:27,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620836577] [2021-11-23 02:34:27,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:27,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:34:27,861 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:27,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620836577] [2021-11-23 02:34:27,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620836577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:27,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:27,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:27,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215182525] [2021-11-23 02:34:27,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:27,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:27,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:27,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:27,863 INFO L87 Difference]: Start difference. First operand 1555 states and 2108 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:30,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:30,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:30,815 INFO L93 Difference]: Finished difference Result 1557 states and 2109 transitions. [2021-11-23 02:34:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:30,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2021-11-23 02:34:30,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:30,828 INFO L225 Difference]: With dead ends: 1557 [2021-11-23 02:34:30,828 INFO L226 Difference]: Without dead ends: 1554 [2021-11-23 02:34:30,830 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:30,833 INFO L933 BasicCegarLoop]: 572 mSDtfsCounter, 602 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:30,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [603 Valid, 713 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 02:34:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2021-11-23 02:34:30,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1554. [2021-11-23 02:34:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 990 states have (on average 1.3202020202020202) internal successors, (1307), 1017 states have internal predecessors, (1307), 400 states have call successors, (400), 166 states have call predecessors, (400), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-23 02:34:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2106 transitions. [2021-11-23 02:34:30,940 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2106 transitions. Word has length 34 [2021-11-23 02:34:30,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:30,941 INFO L470 AbstractCegarLoop]: Abstraction has 1554 states and 2106 transitions. [2021-11-23 02:34:30,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2106 transitions. [2021-11-23 02:34:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 02:34:30,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:30,946 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:30,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:34:30,946 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:30,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1876166790, now seen corresponding path program 1 times [2021-11-23 02:34:30,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:30,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474446988] [2021-11-23 02:34:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:30,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:34:31,061 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:31,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474446988] [2021-11-23 02:34:31,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474446988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:31,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:31,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:31,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109880712] [2021-11-23 02:34:31,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:31,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:31,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:31,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:31,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:31,063 INFO L87 Difference]: Start difference. First operand 1554 states and 2106 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:33,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:34,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:34,053 INFO L93 Difference]: Finished difference Result 1556 states and 2107 transitions. [2021-11-23 02:34:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:34,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-11-23 02:34:34,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:34,068 INFO L225 Difference]: With dead ends: 1556 [2021-11-23 02:34:34,068 INFO L226 Difference]: Without dead ends: 1553 [2021-11-23 02:34:34,069 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:34,070 INFO L933 BasicCegarLoop]: 570 mSDtfsCounter, 599 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:34,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 711 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 02:34:34,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2021-11-23 02:34:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1553. [2021-11-23 02:34:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 990 states have (on average 1.3191919191919192) internal successors, (1306), 1016 states have internal predecessors, (1306), 399 states have call successors, (399), 166 states have call predecessors, (399), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-23 02:34:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2104 transitions. [2021-11-23 02:34:34,177 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2104 transitions. Word has length 35 [2021-11-23 02:34:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:34,178 INFO L470 AbstractCegarLoop]: Abstraction has 1553 states and 2104 transitions. [2021-11-23 02:34:34,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2104 transitions. [2021-11-23 02:34:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 02:34:34,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:34,180 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:34,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:34:34,181 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:34,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1968692762, now seen corresponding path program 1 times [2021-11-23 02:34:34,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:34,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357115651] [2021-11-23 02:34:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:34,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:34:34,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:34,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357115651] [2021-11-23 02:34:34,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357115651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:34,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:34,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:34,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285674225] [2021-11-23 02:34:34,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:34,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:34,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:34,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:34,331 INFO L87 Difference]: Start difference. First operand 1553 states and 2104 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:36,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:37,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:37,201 INFO L93 Difference]: Finished difference Result 1555 states and 2105 transitions. [2021-11-23 02:34:37,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:37,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2021-11-23 02:34:37,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:37,213 INFO L225 Difference]: With dead ends: 1555 [2021-11-23 02:34:37,213 INFO L226 Difference]: Without dead ends: 1546 [2021-11-23 02:34:37,214 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:37,215 INFO L933 BasicCegarLoop]: 569 mSDtfsCounter, 596 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:37,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 710 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 02:34:37,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2021-11-23 02:34:37,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1546. [2021-11-23 02:34:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 984 states have (on average 1.3170731707317074) internal successors, (1296), 1009 states have internal predecessors, (1296), 398 states have call successors, (398), 166 states have call predecessors, (398), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-23 02:34:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2093 transitions. [2021-11-23 02:34:37,357 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2093 transitions. Word has length 36 [2021-11-23 02:34:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:37,357 INFO L470 AbstractCegarLoop]: Abstraction has 1546 states and 2093 transitions. [2021-11-23 02:34:37,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 02:34:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2093 transitions. [2021-11-23 02:34:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 02:34:37,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:37,364 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-23 02:34:37,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:34:37,364 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:37,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:37,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1689080798, now seen corresponding path program 1 times [2021-11-23 02:34:37,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:37,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708286713] [2021-11-23 02:34:37,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:37,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:34:37,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708286713] [2021-11-23 02:34:37,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708286713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:37,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:37,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:37,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042448880] [2021-11-23 02:34:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:37,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:37,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:37,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:37,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:37,501 INFO L87 Difference]: Start difference. First operand 1546 states and 2093 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:34:40,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:40,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:40,584 INFO L93 Difference]: Finished difference Result 3650 states and 4918 transitions. [2021-11-23 02:34:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:40,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2021-11-23 02:34:40,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:40,600 INFO L225 Difference]: With dead ends: 3650 [2021-11-23 02:34:40,600 INFO L226 Difference]: Without dead ends: 2109 [2021-11-23 02:34:40,608 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:40,609 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 194 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:40,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 1091 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 02:34:40,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2021-11-23 02:34:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2104. [2021-11-23 02:34:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1354 states have (on average 1.3183161004431314) internal successors, (1785), 1383 states have internal predecessors, (1785), 519 states have call successors, (519), 233 states have call predecessors, (519), 230 states have return successors, (520), 509 states have call predecessors, (520), 518 states have call successors, (520) [2021-11-23 02:34:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2824 transitions. [2021-11-23 02:34:40,749 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2824 transitions. Word has length 67 [2021-11-23 02:34:40,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:40,750 INFO L470 AbstractCegarLoop]: Abstraction has 2104 states and 2824 transitions. [2021-11-23 02:34:40,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:34:40,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2824 transitions. [2021-11-23 02:34:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 02:34:40,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:40,755 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2021-11-23 02:34:40,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:34:40,756 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:40,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash -247941033, now seen corresponding path program 1 times [2021-11-23 02:34:40,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:40,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689287674] [2021-11-23 02:34:40,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:40,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 02:34:40,889 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:40,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689287674] [2021-11-23 02:34:40,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689287674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:40,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:40,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:40,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025143689] [2021-11-23 02:34:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:40,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:40,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:40,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:40,892 INFO L87 Difference]: Start difference. First operand 2104 states and 2824 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 02:34:44,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:44,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:44,550 INFO L93 Difference]: Finished difference Result 4794 states and 6438 transitions. [2021-11-23 02:34:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:44,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2021-11-23 02:34:44,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:44,572 INFO L225 Difference]: With dead ends: 4794 [2021-11-23 02:34:44,572 INFO L226 Difference]: Without dead ends: 2701 [2021-11-23 02:34:44,579 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:34:44,580 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 198 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:44,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 1183 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 236 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 02:34:44,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2021-11-23 02:34:44,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2696. [2021-11-23 02:34:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1760 states have (on average 1.3232954545454545) internal successors, (2329), 1793 states have internal predecessors, (2329), 639 states have call successors, (639), 299 states have call predecessors, (639), 296 states have return successors, (640), 629 states have call predecessors, (640), 638 states have call successors, (640) [2021-11-23 02:34:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3608 transitions. [2021-11-23 02:34:44,740 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3608 transitions. Word has length 79 [2021-11-23 02:34:44,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:44,741 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 3608 transitions. [2021-11-23 02:34:44,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 02:34:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3608 transitions. [2021-11-23 02:34:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 02:34:44,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:44,746 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2021-11-23 02:34:44,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:34:44,746 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:44,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:44,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1093802851, now seen corresponding path program 1 times [2021-11-23 02:34:44,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:44,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369127095] [2021-11-23 02:34:44,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:44,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 02:34:45,004 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:45,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369127095] [2021-11-23 02:34:45,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369127095] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:34:45,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939649755] [2021-11-23 02:34:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:45,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:45,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:45,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:34:45,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:34:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:45,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:34:45,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:34:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 02:34:45,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:34:45,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939649755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:45,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:34:45,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-11-23 02:34:45,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242871421] [2021-11-23 02:34:45,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:45,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:34:45,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:34:45,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:34:45,922 INFO L87 Difference]: Start difference. First operand 2696 states and 3608 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:34:49,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:50,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:50,222 INFO L93 Difference]: Finished difference Result 5357 states and 7400 transitions. [2021-11-23 02:34:50,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:34:50,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2021-11-23 02:34:50,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:50,252 INFO L225 Difference]: With dead ends: 5357 [2021-11-23 02:34:50,252 INFO L226 Difference]: Without dead ends: 3733 [2021-11-23 02:34:50,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:34:50,262 INFO L933 BasicCegarLoop]: 711 mSDtfsCounter, 284 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 80 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:50,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 1830 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 319 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-23 02:34:50,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2021-11-23 02:34:50,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 2704. [2021-11-23 02:34:50,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 1768 states have (on average 1.3218325791855203) internal successors, (2337), 1801 states have internal predecessors, (2337), 639 states have call successors, (639), 299 states have call predecessors, (639), 296 states have return successors, (640), 629 states have call predecessors, (640), 638 states have call successors, (640) [2021-11-23 02:34:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3616 transitions. [2021-11-23 02:34:50,481 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3616 transitions. Word has length 88 [2021-11-23 02:34:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:50,481 INFO L470 AbstractCegarLoop]: Abstraction has 2704 states and 3616 transitions. [2021-11-23 02:34:50,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:34:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3616 transitions. [2021-11-23 02:34:50,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 02:34:50,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:50,492 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2021-11-23 02:34:50,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:34:50,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:50,706 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:50,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1841066652, now seen corresponding path program 1 times [2021-11-23 02:34:50,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:50,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137422630] [2021-11-23 02:34:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:50,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 02:34:50,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:50,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137422630] [2021-11-23 02:34:50,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137422630] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:34:50,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452153850] [2021-11-23 02:34:50,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:50,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:50,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:50,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:34:50,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:34:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:51,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:34:51,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:34:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 02:34:52,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:34:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 02:34:52,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452153850] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 02:34:52,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:34:52,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 11 [2021-11-23 02:34:52,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896105056] [2021-11-23 02:34:52,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:52,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:34:52,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:52,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:34:52,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-23 02:34:52,484 INFO L87 Difference]: Start difference. First operand 2704 states and 3616 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-23 02:34:55,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:56,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:56,563 INFO L93 Difference]: Finished difference Result 6517 states and 8733 transitions. [2021-11-23 02:34:56,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:34:56,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 97 [2021-11-23 02:34:56,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:56,594 INFO L225 Difference]: With dead ends: 6517 [2021-11-23 02:34:56,595 INFO L226 Difference]: Without dead ends: 3824 [2021-11-23 02:34:56,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:34:56,605 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 1196 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 390 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:56,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1241 Valid, 1305 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 440 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 02:34:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-11-23 02:34:56,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3572. [2021-11-23 02:34:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 2340 states have (on average 1.3235042735042735) internal successors, (3097), 2385 states have internal predecessors, (3097), 817 states have call successors, (817), 419 states have call predecessors, (817), 414 states have return successors, (820), 803 states have call predecessors, (820), 816 states have call successors, (820) [2021-11-23 02:34:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4734 transitions. [2021-11-23 02:34:56,924 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4734 transitions. Word has length 97 [2021-11-23 02:34:56,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:56,925 INFO L470 AbstractCegarLoop]: Abstraction has 3572 states and 4734 transitions. [2021-11-23 02:34:56,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-23 02:34:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4734 transitions. [2021-11-23 02:34:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 02:34:56,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:56,932 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2021-11-23 02:34:56,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:34:57,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 02:34:57,158 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:57,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:57,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2064045475, now seen corresponding path program 1 times [2021-11-23 02:34:57,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:57,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400579981] [2021-11-23 02:34:57,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:57,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 02:34:57,422 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:57,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400579981] [2021-11-23 02:34:57,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400579981] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:34:57,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319942507] [2021-11-23 02:34:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:57,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:57,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:34:57,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:34:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:57,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:34:57,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:34:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:34:58,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:34:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 02:34:59,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319942507] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:34:59,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [547690462] [2021-11-23 02:34:59,343 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2021-11-23 02:34:59,343 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:34:59,348 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:34:59,354 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:34:59,355 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:35:00,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 85 [2021-11-23 02:35:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:01,732 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-23 02:35:01,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 117 [2021-11-23 02:35:01,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:35:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,289 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-23 02:35:02,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 127 [2021-11-23 02:35:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:02,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 24 treesize of output 9 [2021-11-23 02:35:03,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-23 02:35:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,297 INFO L244 Elim1Store]: Index analysis took 574 ms [2021-11-23 02:35:04,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 150 [2021-11-23 02:35:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:04,460 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-23 02:35:04,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-23 02:35:05,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-23 02:35:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,115 INFO L244 Elim1Store]: Index analysis took 570 ms [2021-11-23 02:35:06,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 150 [2021-11-23 02:35:06,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:06,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-23 02:36:48,439 INFO L197 IcfgInterpreter]: Interpreting procedure can_led_event with input of size 210 for LOIs [2021-11-23 02:36:48,462 INFO L197 IcfgInterpreter]: Interpreting procedure close_candev with input of size 222 for LOIs [2021-11-23 02:36:48,525 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 123 for LOIs [2021-11-23 02:36:48,587 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_alloc_urb with input of size 222 for LOIs [2021-11-23 02:36:50,431 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 213 for LOIs [2021-11-23 02:36:50,493 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 122 for LOIs [2021-11-23 02:36:50,506 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 221 for LOIs [2021-11-23 02:36:50,694 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_priv with input of size 202 for LOIs [2021-11-23 02:36:50,715 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:36:57,646 WARN L227 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 995 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:37:09,977 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 654 DAG size of output: 651 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:38:03,694 WARN L227 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 453 DAG size of output: 339 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:38:35,262 WARN L227 SmtUtils]: Spent 8.63s on a formula simplification. DAG size of input: 456 DAG size of output: 309 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:38:41,585 WARN L227 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 456 DAG size of output: 354 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:38:48,084 WARN L227 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 463 DAG size of output: 361 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:38:59,069 WARN L227 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 464 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:39:11,893 WARN L227 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 473 DAG size of output: 321 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:39:13,932 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '75327#(and (<= 0 ~ldv_state_variable_2~0) (= ~__mod_usb_device_table~0.bInterfaceClass 0) (= ~__mod_usb_device_table~0.bcdDevice_hi 0) (= ~INTERF_STATE~0 0) (= |~#usb_8dev_table~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (<= ~usb_8dev_driver_group1~0.offset 0) (<= ~usb_8dev_netdev_ops_group1~0.offset 0) (= ~ldv_retval_1~0 0) (= ~__mod_usb_device_table~0.idVendor 0) (= ~usb_intfdata~0.base 0) (= ~completeFnBulk~0.base 0) (= ~completeFnBulkCounter~0 0) (<= 0 ~usb_8dev_driver_group1~0.offset) (= ~__mod_usb_device_table~0.bcdDevice_lo 0) (= ~__mod_usb_device_table~0.bDeviceProtocol 0) (= |~#usb_8dev_bittiming_const~0.base| 39) (= |~#usb_8dev_table~0.base| 37) (= ~__mod_usb_device_table~0.idProduct 0) (<= ~ldv_retval_3~0 0) (= ~__mod_usb_device_table~0.match_flags 0) (= ~__mod_usb_device_table~0.driver_info 0) (= ~ldv_state_variable_1~0 0) (= ~usb_dev~0.base 0) (= |~#usb_8dev_bittiming_const~0.offset| 0) (<= ~usb_8dev_driver_group1~0.base 0) (= ~ldv_state_variable_0~0 2) (= ~usb_dev~0.offset 0) (= ~dev_counter~0 0) (= ~__mod_usb_device_table~0.bDeviceClass 0) (<= 0 (+ ~ldv_retval_3~0 12)) (not (= (mod (+ ~usb_urb~0.base ~usb_urb~0.offset) 18446744073709551616) 0)) (= ~__mod_usb_device_table~0.bInterfaceSubClass 0) (= |~#usb_8dev_driver~0.offset| 0) (= ~ref_cnt~0 0) (= ~completeFnInt~0.base 0) (<= 0 ~usb_8dev_netdev_ops_group1~0.offset) (= ~__mod_usb_device_table~0.bInterfaceNumber 0) (= ~completeFnInt~0.offset 0) (= ~usb_intfdata~0.offset 0) (= |~#usb_8dev_netdev_ops~0.offset| 0) (= ~completeFnBulk~0.offset 0) (= ~__mod_usb_device_table~0.bDeviceSubClass 0) (= |#NULL.offset| 0) (<= ~usb_8dev_netdev_ops_group1~0.base 0) (= ~ldv_retval_0~0 0) (<= 0 ~usb_counter~0) (= 38 |~#usb_8dev_netdev_ops~0.base|) (= ~__mod_usb_device_table~0.bInterfaceProtocol 0) (= ~SERIAL_STATE~0 0) (= ~completeFnIntCounter~0 0) (<= 0 |#StackHeapBarrier|) (<= 0 ~usb_8dev_netdev_ops_group1~0.base) (= 40 |~#usb_8dev_driver~0.base|) (= |#NULL.base| 0) (<= 0 ~usb_8dev_driver_group1~0.base))' at error location [2021-11-23 02:39:13,932 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:39:13,932 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:39:13,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 14 [2021-11-23 02:39:13,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274962668] [2021-11-23 02:39:13,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:39:13,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 02:39:13,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:39:13,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 02:39:13,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=4789, Unknown=0, NotChecked=0, Total=5256 [2021-11-23 02:39:13,936 INFO L87 Difference]: Start difference. First operand 3572 states and 4734 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2021-11-23 02:39:25,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:39:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:39:30,292 INFO L93 Difference]: Finished difference Result 23187 states and 30803 transitions. [2021-11-23 02:39:30,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 02:39:30,292 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2021-11-23 02:39:30,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:39:30,409 INFO L225 Difference]: With dead ends: 23187 [2021-11-23 02:39:30,410 INFO L226 Difference]: Without dead ends: 19618 [2021-11-23 02:39:30,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 221 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3053 ImplicationChecksByTransitivity, 144.7s TimeCoverageRelationStatistics Valid=727, Invalid=6755, Unknown=0, NotChecked=0, Total=7482 [2021-11-23 02:39:30,433 INFO L933 BasicCegarLoop]: 1467 mSDtfsCounter, 5731 mSDsluCounter, 5755 mSDsCounter, 0 mSdLazyCounter, 5954 mSolverCounterSat, 3033 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5767 SdHoareTripleChecker+Valid, 5797 SdHoareTripleChecker+Invalid, 8988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3033 IncrementalHoareTripleChecker+Valid, 5954 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:39:30,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5767 Valid, 5797 Invalid, 8988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3033 Valid, 5954 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2021-11-23 02:39:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19618 states. [2021-11-23 02:39:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19618 to 16526. [2021-11-23 02:39:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16526 states, 11011 states have (on average 1.339115430024521) internal successors, (14745), 11226 states have internal predecessors, (14745), 3635 states have call successors, (3635), 1892 states have call predecessors, (3635), 1879 states have return successors, (3646), 3549 states have call predecessors, (3646), 3634 states have call successors, (3646) [2021-11-23 02:39:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16526 states to 16526 states and 22026 transitions. [2021-11-23 02:39:31,689 INFO L78 Accepts]: Start accepts. Automaton has 16526 states and 22026 transitions. Word has length 96 [2021-11-23 02:39:31,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:39:31,690 INFO L470 AbstractCegarLoop]: Abstraction has 16526 states and 22026 transitions. [2021-11-23 02:39:31,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2021-11-23 02:39:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 16526 states and 22026 transitions. [2021-11-23 02:39:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 02:39:31,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:39:31,709 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2021-11-23 02:39:31,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:39:31,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:39:31,934 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:39:31,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:39:31,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1268584983, now seen corresponding path program 1 times [2021-11-23 02:39:31,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:39:31,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755491118] [2021-11-23 02:39:31,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:39:31,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:39:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:39:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 02:39:32,230 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:39:32,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755491118] [2021-11-23 02:39:32,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755491118] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:39:32,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39088639] [2021-11-23 02:39:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:39:32,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:39:32,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:39:32,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:39:32,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:39:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:39:32,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:39:32,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:39:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 02:39:32,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:39:32,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39088639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:39:32,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:39:32,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-23 02:39:32,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186246066] [2021-11-23 02:39:32,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:39:32,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:39:32,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:39:32,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:39:32,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:39:32,986 INFO L87 Difference]: Start difference. First operand 16526 states and 22026 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:39:35,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:39:36,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:39:36,263 INFO L93 Difference]: Finished difference Result 24349 states and 32482 transitions. [2021-11-23 02:39:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:39:36,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2021-11-23 02:39:36,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:39:36,299 INFO L225 Difference]: With dead ends: 24349 [2021-11-23 02:39:36,299 INFO L226 Difference]: Without dead ends: 7438 [2021-11-23 02:39:36,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:39:36,350 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 536 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:39:36,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 942 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 02:39:36,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7438 states. [2021-11-23 02:39:36,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7438 to 7021. [2021-11-23 02:39:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7021 states, 4653 states have (on average 1.327745540511498) internal successors, (6178), 4752 states have internal predecessors, (6178), 1562 states have call successors, (1562), 812 states have call predecessors, (1562), 805 states have return successors, (1567), 1521 states have call predecessors, (1567), 1561 states have call successors, (1567) [2021-11-23 02:39:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7021 states to 7021 states and 9307 transitions. [2021-11-23 02:39:36,894 INFO L78 Accepts]: Start accepts. Automaton has 7021 states and 9307 transitions. Word has length 105 [2021-11-23 02:39:36,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:39:36,895 INFO L470 AbstractCegarLoop]: Abstraction has 7021 states and 9307 transitions. [2021-11-23 02:39:36,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:39:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7021 states and 9307 transitions. [2021-11-23 02:39:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 02:39:36,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:39:36,906 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-23 02:39:36,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:39:37,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 02:39:37,122 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:39:37,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:39:37,122 INFO L85 PathProgramCache]: Analyzing trace with hash 557410077, now seen corresponding path program 1 times [2021-11-23 02:39:37,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:39:37,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174521294] [2021-11-23 02:39:37,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:39:37,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:39:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:39:37,488 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 02:39:37,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:39:37,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174521294] [2021-11-23 02:39:37,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174521294] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:39:37,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:39:37,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:39:37,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823601292] [2021-11-23 02:39:37,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:39:37,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:39:37,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:39:37,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:39:37,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:39:37,490 INFO L87 Difference]: Start difference. First operand 7021 states and 9307 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-23 02:39:43,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:39:45,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:39:45,881 INFO L93 Difference]: Finished difference Result 10816 states and 14510 transitions. [2021-11-23 02:39:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 02:39:45,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2021-11-23 02:39:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:39:45,928 INFO L225 Difference]: With dead ends: 10816 [2021-11-23 02:39:45,928 INFO L226 Difference]: Without dead ends: 10542 [2021-11-23 02:39:45,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:39:45,935 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 753 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 434 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 2740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:39:45,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 1539 Invalid, 2740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 2305 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-23 02:39:45,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10542 states. [2021-11-23 02:39:46,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10542 to 10466. [2021-11-23 02:39:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10466 states, 6904 states have (on average 1.3238702201622248) internal successors, (9140), 7075 states have internal predecessors, (9140), 2354 states have call successors, (2354), 1190 states have call predecessors, (2354), 1207 states have return successors, (2491), 2304 states have call predecessors, (2491), 2353 states have call successors, (2491) [2021-11-23 02:39:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10466 states to 10466 states and 13985 transitions. [2021-11-23 02:39:46,618 INFO L78 Accepts]: Start accepts. Automaton has 10466 states and 13985 transitions. Word has length 106 [2021-11-23 02:39:46,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:39:46,618 INFO L470 AbstractCegarLoop]: Abstraction has 10466 states and 13985 transitions. [2021-11-23 02:39:46,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-23 02:39:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 10466 states and 13985 transitions. [2021-11-23 02:39:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 02:39:46,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:39:46,635 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-23 02:39:46,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 02:39:46,635 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:39:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:39:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash -698108351, now seen corresponding path program 1 times [2021-11-23 02:39:46,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:39:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146969065] [2021-11-23 02:39:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:39:46,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:39:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:39:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 02:39:46,910 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:39:46,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146969065] [2021-11-23 02:39:46,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146969065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:39:46,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:39:46,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:39:46,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007857154] [2021-11-23 02:39:46,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:39:46,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:39:46,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:39:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:39:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:39:46,912 INFO L87 Difference]: Start difference. First operand 10466 states and 13985 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 02:39:52,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:39:54,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:39:54,338 INFO L93 Difference]: Finished difference Result 18317 states and 25077 transitions. [2021-11-23 02:39:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:39:54,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2021-11-23 02:39:54,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:39:54,426 INFO L225 Difference]: With dead ends: 18317 [2021-11-23 02:39:54,426 INFO L226 Difference]: Without dead ends: 17928 [2021-11-23 02:39:54,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:39:54,435 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 517 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:39:54,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [524 Valid, 2667 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1239 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2021-11-23 02:39:54,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17928 states. [2021-11-23 02:39:55,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17928 to 12987. [2021-11-23 02:39:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12987 states, 8591 states have (on average 1.3248748690490049) internal successors, (11382), 8798 states have internal predecessors, (11382), 2900 states have call successors, (2900), 1478 states have call predecessors, (2900), 1495 states have return successors, (3067), 2829 states have call predecessors, (3067), 2899 states have call successors, (3067) [2021-11-23 02:39:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12987 states to 12987 states and 17349 transitions. [2021-11-23 02:39:55,553 INFO L78 Accepts]: Start accepts. Automaton has 12987 states and 17349 transitions. Word has length 110 [2021-11-23 02:39:55,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:39:55,554 INFO L470 AbstractCegarLoop]: Abstraction has 12987 states and 17349 transitions. [2021-11-23 02:39:55,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 02:39:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12987 states and 17349 transitions. [2021-11-23 02:39:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 02:39:55,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:39:55,575 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-23 02:39:55,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 02:39:55,575 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:39:55,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:39:55,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1405959307, now seen corresponding path program 1 times [2021-11-23 02:39:55,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:39:55,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053205071] [2021-11-23 02:39:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:39:55,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:39:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:39:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 02:39:56,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:39:56,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053205071] [2021-11-23 02:39:56,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053205071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:39:56,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:39:56,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:39:56,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570723892] [2021-11-23 02:39:56,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:39:56,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:39:56,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:39:56,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:39:56,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:39:56,201 INFO L87 Difference]: Start difference. First operand 12987 states and 17349 transitions. Second operand has 10 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-23 02:40:05,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:40:07,632 INFO L93 Difference]: Finished difference Result 23258 states and 31601 transitions. [2021-11-23 02:40:07,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 02:40:07,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125 [2021-11-23 02:40:07,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:40:07,729 INFO L225 Difference]: With dead ends: 23258 [2021-11-23 02:40:07,729 INFO L226 Difference]: Without dead ends: 22988 [2021-11-23 02:40:07,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:40:07,741 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 672 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 317 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 4038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:40:07,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 2339 Invalid, 4038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 3720 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2021-11-23 02:40:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22988 states. [2021-11-23 02:40:08,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22988 to 18065. [2021-11-23 02:40:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18065 states, 11983 states have (on average 1.3255445214053243) internal successors, (15884), 12262 states have internal predecessors, (15884), 3992 states have call successors, (3992), 2054 states have call predecessors, (3992), 2089 states have return successors, (4219), 3897 states have call predecessors, (4219), 3991 states have call successors, (4219) [2021-11-23 02:40:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18065 states to 18065 states and 24095 transitions. [2021-11-23 02:40:09,077 INFO L78 Accepts]: Start accepts. Automaton has 18065 states and 24095 transitions. Word has length 125 [2021-11-23 02:40:09,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:40:09,077 INFO L470 AbstractCegarLoop]: Abstraction has 18065 states and 24095 transitions. [2021-11-23 02:40:09,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-23 02:40:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 18065 states and 24095 transitions. [2021-11-23 02:40:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 02:40:09,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:09,105 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 02:40:09,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 02:40:09,105 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash -336142601, now seen corresponding path program 1 times [2021-11-23 02:40:09,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:09,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853781843] [2021-11-23 02:40:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:09,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 02:40:09,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:09,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853781843] [2021-11-23 02:40:09,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853781843] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:40:09,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976036973] [2021-11-23 02:40:09,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:09,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:40:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:40:09,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:40:09,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:40:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:10,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 1408 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 02:40:10,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:40:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:40:10,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:40:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 02:40:10,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976036973] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 02:40:10,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:40:10,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 5] total 15 [2021-11-23 02:40:10,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725845679] [2021-11-23 02:40:10,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:10,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:40:10,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:40:10,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:40:10,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:40:10,744 INFO L87 Difference]: Start difference. First operand 18065 states and 24095 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-23 02:40:14,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:15,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:40:15,917 INFO L93 Difference]: Finished difference Result 41878 states and 56401 transitions. [2021-11-23 02:40:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:40:15,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 125 [2021-11-23 02:40:15,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:40:15,996 INFO L225 Difference]: With dead ends: 41878 [2021-11-23 02:40:15,996 INFO L226 Difference]: Without dead ends: 24556 [2021-11-23 02:40:16,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:40:16,050 INFO L933 BasicCegarLoop]: 681 mSDtfsCounter, 852 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 213 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:40:16,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [866 Valid, 1285 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 513 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-23 02:40:16,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24556 states. [2021-11-23 02:40:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24556 to 22295. [2021-11-23 02:40:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22295 states, 14863 states have (on average 1.3296777232052748) internal successors, (19763), 15190 states have internal predecessors, (19763), 4862 states have call successors, (4862), 2534 states have call predecessors, (4862), 2569 states have return successors, (5089), 4749 states have call predecessors, (5089), 4861 states have call successors, (5089) [2021-11-23 02:40:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22295 states to 22295 states and 29714 transitions. [2021-11-23 02:40:17,671 INFO L78 Accepts]: Start accepts. Automaton has 22295 states and 29714 transitions. Word has length 125 [2021-11-23 02:40:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:40:17,671 INFO L470 AbstractCegarLoop]: Abstraction has 22295 states and 29714 transitions. [2021-11-23 02:40:17,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-23 02:40:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 22295 states and 29714 transitions. [2021-11-23 02:40:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 02:40:17,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:17,721 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 02:40:17,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:40:17,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-23 02:40:17,938 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:17,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:17,938 INFO L85 PathProgramCache]: Analyzing trace with hash 760544889, now seen corresponding path program 1 times [2021-11-23 02:40:17,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:17,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683117403] [2021-11-23 02:40:17,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:17,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 02:40:18,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:18,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683117403] [2021-11-23 02:40:18,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683117403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:40:18,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:40:18,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:40:18,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964252634] [2021-11-23 02:40:18,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:18,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:40:18,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:40:18,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:40:18,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:40:18,060 INFO L87 Difference]: Start difference. First operand 22295 states and 29714 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 02:40:21,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:40:23,468 INFO L93 Difference]: Finished difference Result 53483 states and 73582 transitions. [2021-11-23 02:40:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:40:23,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2021-11-23 02:40:23,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:40:23,574 INFO L225 Difference]: With dead ends: 53483 [2021-11-23 02:40:23,575 INFO L226 Difference]: Without dead ends: 31931 [2021-11-23 02:40:23,620 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:40:23,620 INFO L933 BasicCegarLoop]: 664 mSDtfsCounter, 179 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:40:23,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 1194 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 02:40:23,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31931 states. [2021-11-23 02:40:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31931 to 22457. [2021-11-23 02:40:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22457 states, 14965 states have (on average 1.3278316070831941) internal successors, (19871), 15292 states have internal predecessors, (19871), 4922 states have call successors, (4922), 2534 states have call predecessors, (4922), 2569 states have return successors, (5155), 4809 states have call predecessors, (5155), 4921 states have call successors, (5155) [2021-11-23 02:40:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22457 states to 22457 states and 29948 transitions. [2021-11-23 02:40:25,231 INFO L78 Accepts]: Start accepts. Automaton has 22457 states and 29948 transitions. Word has length 139 [2021-11-23 02:40:25,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:40:25,232 INFO L470 AbstractCegarLoop]: Abstraction has 22457 states and 29948 transitions. [2021-11-23 02:40:25,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 02:40:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 22457 states and 29948 transitions. [2021-11-23 02:40:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 02:40:25,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:25,271 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-23 02:40:25,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 02:40:25,271 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:25,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:25,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1269342982, now seen corresponding path program 1 times [2021-11-23 02:40:25,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:25,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908046142] [2021-11-23 02:40:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:25,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 02:40:25,389 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:25,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908046142] [2021-11-23 02:40:25,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908046142] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:40:25,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552778735] [2021-11-23 02:40:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:25,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:40:25,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:40:25,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:40:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:40:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:26,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:40:26,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:40:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 02:40:26,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:40:26,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552778735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:40:26,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:40:26,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-23 02:40:26,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059814854] [2021-11-23 02:40:26,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:26,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:40:26,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:40:26,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:40:26,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:40:26,353 INFO L87 Difference]: Start difference. First operand 22457 states and 29948 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 02:40:30,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:40:31,338 INFO L93 Difference]: Finished difference Result 47633 states and 64376 transitions. [2021-11-23 02:40:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:40:31,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2021-11-23 02:40:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:40:31,425 INFO L225 Difference]: With dead ends: 47633 [2021-11-23 02:40:31,425 INFO L226 Difference]: Without dead ends: 25919 [2021-11-23 02:40:31,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:40:31,469 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 169 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:40:31,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 1321 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 02:40:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25919 states. [2021-11-23 02:40:33,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25919 to 22463. [2021-11-23 02:40:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 14971 states have (on average 1.3277002204261572) internal successors, (19877), 15298 states have internal predecessors, (19877), 4922 states have call successors, (4922), 2534 states have call predecessors, (4922), 2569 states have return successors, (5155), 4809 states have call predecessors, (5155), 4921 states have call successors, (5155) [2021-11-23 02:40:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 29954 transitions. [2021-11-23 02:40:33,135 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 29954 transitions. Word has length 150 [2021-11-23 02:40:33,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:40:33,135 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 29954 transitions. [2021-11-23 02:40:33,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 02:40:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 29954 transitions. [2021-11-23 02:40:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 02:40:33,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:33,173 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 02:40:33,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-23 02:40:33,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-23 02:40:33,398 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:33,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:33,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1476885814, now seen corresponding path program 1 times [2021-11-23 02:40:33,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:33,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111627312] [2021-11-23 02:40:33,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:33,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 02:40:33,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:33,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111627312] [2021-11-23 02:40:33,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111627312] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:40:33,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603216004] [2021-11-23 02:40:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:33,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:40:33,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:40:33,760 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:40:33,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 02:40:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:34,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 02:40:34,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:40:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:40:34,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:40:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 02:40:35,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603216004] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 02:40:35,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:40:35,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8] total 20 [2021-11-23 02:40:35,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561654204] [2021-11-23 02:40:35,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:35,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:40:35,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:40:35,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:40:35,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-11-23 02:40:35,456 INFO L87 Difference]: Start difference. First operand 22463 states and 29954 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-23 02:40:40,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:43,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:40:43,074 INFO L93 Difference]: Finished difference Result 55300 states and 75322 transitions. [2021-11-23 02:40:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 02:40:43,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 154 [2021-11-23 02:40:43,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:40:43,189 INFO L225 Difference]: With dead ends: 55300 [2021-11-23 02:40:43,189 INFO L226 Difference]: Without dead ends: 33580 [2021-11-23 02:40:43,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-11-23 02:40:43,237 INFO L933 BasicCegarLoop]: 683 mSDtfsCounter, 972 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:40:43,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [976 Valid, 2243 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1546 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-23 02:40:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33580 states. [2021-11-23 02:40:45,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33580 to 22589. [2021-11-23 02:40:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22589 states, 15079 states have (on average 1.3265468532396048) internal successors, (20003), 15406 states have internal predecessors, (20003), 4940 states have call successors, (4940), 2534 states have call predecessors, (4940), 2569 states have return successors, (5173), 4827 states have call predecessors, (5173), 4939 states have call successors, (5173) [2021-11-23 02:40:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22589 states to 22589 states and 30116 transitions. [2021-11-23 02:40:45,204 INFO L78 Accepts]: Start accepts. Automaton has 22589 states and 30116 transitions. Word has length 154 [2021-11-23 02:40:45,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:40:45,204 INFO L470 AbstractCegarLoop]: Abstraction has 22589 states and 30116 transitions. [2021-11-23 02:40:45,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-23 02:40:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22589 states and 30116 transitions. [2021-11-23 02:40:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 02:40:45,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:45,219 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-23 02:40:45,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 02:40:45,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:40:45,422 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:45,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:45,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1743039483, now seen corresponding path program 1 times [2021-11-23 02:40:45,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:45,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846311850] [2021-11-23 02:40:45,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:45,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 02:40:45,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:45,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846311850] [2021-11-23 02:40:45,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846311850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:40:45,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:40:45,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 02:40:45,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507595640] [2021-11-23 02:40:45,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:45,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:40:45,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:40:45,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:40:45,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:40:45,808 INFO L87 Difference]: Start difference. First operand 22589 states and 30116 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-23 02:40:51,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:52,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:40:52,888 INFO L93 Difference]: Finished difference Result 51147 states and 70039 transitions. [2021-11-23 02:40:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:40:52,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2021-11-23 02:40:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:40:52,967 INFO L225 Difference]: With dead ends: 51147 [2021-11-23 02:40:52,967 INFO L226 Difference]: Without dead ends: 29301 [2021-11-23 02:40:53,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:40:53,008 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 172 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 4388 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:40:53,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 4388 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 723 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-11-23 02:40:53,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29301 states. [2021-11-23 02:40:54,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29301 to 22625. [2021-11-23 02:40:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22625 states, 15109 states have (on average 1.3258984711099344) internal successors, (20033), 15424 states have internal predecessors, (20033), 4940 states have call successors, (4940), 2534 states have call predecessors, (4940), 2575 states have return successors, (5185), 4845 states have call predecessors, (5185), 4939 states have call successors, (5185) [2021-11-23 02:40:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22625 states to 22625 states and 30158 transitions. [2021-11-23 02:40:54,787 INFO L78 Accepts]: Start accepts. Automaton has 22625 states and 30158 transitions. Word has length 157 [2021-11-23 02:40:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:40:54,788 INFO L470 AbstractCegarLoop]: Abstraction has 22625 states and 30158 transitions. [2021-11-23 02:40:54,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-23 02:40:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 22625 states and 30158 transitions. [2021-11-23 02:40:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 02:40:54,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:54,804 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-23 02:40:54,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-23 02:40:54,805 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:54,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash 825970601, now seen corresponding path program 1 times [2021-11-23 02:40:54,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:54,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528846732] [2021-11-23 02:40:54,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:54,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-23 02:40:55,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:55,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528846732] [2021-11-23 02:40:55,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528846732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:40:55,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:40:55,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:40:55,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256575851] [2021-11-23 02:40:55,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:55,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:40:55,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:40:55,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:40:55,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:40:55,287 INFO L87 Difference]: Start difference. First operand 22625 states and 30158 transitions. Second operand has 10 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-23 02:41:02,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:41:06,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:41:06,347 INFO L93 Difference]: Finished difference Result 31200 states and 41540 transitions. [2021-11-23 02:41:06,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 02:41:06,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 161 [2021-11-23 02:41:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:41:06,429 INFO L225 Difference]: With dead ends: 31200 [2021-11-23 02:41:06,429 INFO L226 Difference]: Without dead ends: 30930 [2021-11-23 02:41:06,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:41:06,442 INFO L933 BasicCegarLoop]: 619 mSDtfsCounter, 845 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 3440 mSolverCounterSat, 422 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 3440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:41:06,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [965 Valid, 2284 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 3440 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-11-23 02:41:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30930 states. [2021-11-23 02:41:08,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30930 to 24406. [2021-11-23 02:41:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24406 states, 16313 states have (on average 1.326304174584687) internal successors, (21636), 16653 states have internal predecessors, (21636), 5307 states have call successors, (5307), 2738 states have call predecessors, (5307), 2785 states have return successors, (5564), 5205 states have call predecessors, (5564), 5306 states have call successors, (5564) [2021-11-23 02:41:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24406 states to 24406 states and 32507 transitions. [2021-11-23 02:41:08,360 INFO L78 Accepts]: Start accepts. Automaton has 24406 states and 32507 transitions. Word has length 161 [2021-11-23 02:41:08,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:41:08,361 INFO L470 AbstractCegarLoop]: Abstraction has 24406 states and 32507 transitions. [2021-11-23 02:41:08,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-23 02:41:08,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24406 states and 32507 transitions. [2021-11-23 02:41:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 02:41:08,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:41:08,402 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2021-11-23 02:41:08,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-23 02:41:08,402 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:41:08,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:41:08,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1461403494, now seen corresponding path program 1 times [2021-11-23 02:41:08,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:41:08,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483359869] [2021-11-23 02:41:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:08,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:41:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 02:41:08,635 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:41:08,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483359869] [2021-11-23 02:41:08,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483359869] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:41:08,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622824472] [2021-11-23 02:41:08,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:08,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:41:08,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:41:08,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:41:08,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 02:41:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:09,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 02:41:09,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:41:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 02:41:10,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:41:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 02:41:10,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622824472] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 02:41:10,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:41:10,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 11] total 19 [2021-11-23 02:41:10,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781279917] [2021-11-23 02:41:10,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:41:10,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:41:10,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:41:10,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:41:10,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-11-23 02:41:10,678 INFO L87 Difference]: Start difference. First operand 24406 states and 32507 transitions. Second operand has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2021-11-23 02:41:17,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:41:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:41:24,344 INFO L93 Difference]: Finished difference Result 77515 states and 109624 transitions. [2021-11-23 02:41:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 02:41:24,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) Word has length 205 [2021-11-23 02:41:24,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:41:24,500 INFO L225 Difference]: With dead ends: 77515 [2021-11-23 02:41:24,500 INFO L226 Difference]: Without dead ends: 55633 [2021-11-23 02:41:24,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=193, Invalid=863, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 02:41:24,547 INFO L933 BasicCegarLoop]: 1102 mSDtfsCounter, 1188 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 4510 mSolverCounterSat, 455 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 5024 SdHoareTripleChecker+Invalid, 4966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 4510 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:41:24,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1194 Valid, 5024 Invalid, 4966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 4510 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-23 02:41:24,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55633 states. [2021-11-23 02:41:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55633 to 24340. [2021-11-23 02:41:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 16259 states have (on average 1.3259118026938925) internal successors, (21558), 16593 states have internal predecessors, (21558), 5289 states have call successors, (5289), 2738 states have call predecessors, (5289), 2791 states have return successors, (5564), 5199 states have call predecessors, (5564), 5288 states have call successors, (5564) [2021-11-23 02:41:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 32411 transitions. [2021-11-23 02:41:26,937 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 32411 transitions. Word has length 205 [2021-11-23 02:41:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:41:26,937 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 32411 transitions. [2021-11-23 02:41:26,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2021-11-23 02:41:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 32411 transitions. [2021-11-23 02:41:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 02:41:26,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:41:26,957 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:41:26,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 02:41:27,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-23 02:41:27,158 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:41:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:41:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1147160578, now seen corresponding path program 1 times [2021-11-23 02:41:27,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:41:27,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041159152] [2021-11-23 02:41:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:27,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:41:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 02:41:27,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:41:27,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041159152] [2021-11-23 02:41:27,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041159152] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:41:27,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963600694] [2021-11-23 02:41:27,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:27,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:41:27,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:41:27,329 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:41:27,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8344bb-6ca2-4bc1-bc9d-085c66fe8bf8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 02:41:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:27,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:41:27,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:41:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 02:41:28,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:41:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 02:41:28,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963600694] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:41:28,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1270417136] [2021-11-23 02:41:28,648 INFO L159 IcfgInterpreter]: Started Sifa with 150 locations of interest [2021-11-23 02:41:28,648 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:41:28,649 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:41:28,650 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:41:28,650 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:41:34,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 85 [2021-11-23 02:41:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,816 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-11-23 02:41:34,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 127 [2021-11-23 02:41:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:34,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-11-23 02:41:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:35,460 INFO L244 Elim1Store]: Index analysis took 263 ms [2021-11-23 02:41:35,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 117 [2021-11-23 02:41:35,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:41:36,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-23 02:41:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,027 INFO L244 Elim1Store]: Index analysis took 575 ms [2021-11-23 02:41:37,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 150 [2021-11-23 02:41:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-23 02:41:37,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-23 02:41:37,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:37,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,399 INFO L244 Elim1Store]: Index analysis took 479 ms [2021-11-23 02:41:38,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 150 [2021-11-23 02:41:38,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:38,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-23 02:42:38,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:42:38,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-23 02:42:45,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:42:45,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:42:45,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:42:45,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:42:49,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:42:49,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:42:49,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:42:50,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:42:51,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:42:51,746 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-23 02:42:51,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 466 treesize of output 454 [2021-11-23 02:42:51,828 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-23 02:42:51,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 454 treesize of output 442 [2021-11-23 02:43:06,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:06,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:06,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:06,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:08,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:08,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:08,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:08,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:12,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:43:12,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:43:12,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:43:18,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:18,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:18,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:18,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:20,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:20,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:20,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:20,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:23,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:43:23,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:43:23,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:43:29,047 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 02:43:29,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-23 02:43:29,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-23 02:43:32,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:32,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:32,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:33,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:34,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:35,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:35,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-23 02:43:35,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-23 02:43:37,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:43:38,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:43:38,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:44:20,635 INFO L197 IcfgInterpreter]: Interpreting procedure can_led_event with input of size 121 for LOIs [2021-11-23 02:44:20,649 INFO L197 IcfgInterpreter]: Interpreting procedure usb_alloc_coherent with input of size 227 for LOIs [2021-11-23 02:44:21,749 INFO L197 IcfgInterpreter]: Interpreting procedure usb_8dev_cmd_open with input of size 119 for LOIs [2021-11-23 02:44:21,875 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 02:44:21,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 96 treesize of output 93 [2021-11-23 02:44:21,932 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-23 02:44:21,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 86 [2021-11-23 02:44:22,082 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 02:44:22,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 96 treesize of output 93 [2021-11-23 02:44:22,142 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-23 02:44:22,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 86 [2021-11-23 02:44:22,293 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 02:44:22,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 96 treesize of output 93 [2021-11-23 02:44:22,351 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-23 02:44:22,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 86 [2021-11-23 02:44:22,377 INFO L197 IcfgInterpreter]: Interpreting procedure usb_anchor_urb with input of size 178 for LOIs [2021-11-23 02:44:22,395 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 228 for LOIs [2021-11-23 02:44:22,615 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_alloc_urb with input of size 126 for LOIs [2021-11-23 02:44:23,936 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 180 for LOIs [2021-11-23 02:44:24,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-23 02:44:24,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:44:24,906 INFO L197 IcfgInterpreter]: Interpreting procedure __create_pipe with input of size 120 for LOIs [2021-11-23 02:44:24,940 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 197 for LOIs [2021-11-23 02:44:25,097 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_free_urb with input of size 186 for LOIs [2021-11-23 02:44:25,119 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_usb_fill_bulk_urb_2 with input of size 211 for LOIs [2021-11-23 02:44:25,152 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 162 for LOIs [2021-11-23 02:44:25,258 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_submit_urb with input of size 204 for LOIs [2021-11-23 02:44:25,471 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 97 for LOIs [2021-11-23 02:44:25,483 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_priv with input of size 117 for LOIs [2021-11-23 02:44:25,496 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:44:32,234 WARN L227 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 995 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:44:48,239 WARN L227 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 654 DAG size of output: 651 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:45:04,201 WARN L227 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 859 DAG size of output: 767 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:45:13,693 WARN L227 SmtUtils]: Spent 9.17s on a formula simplification. DAG size of input: 836 DAG size of output: 737 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:45:21,718 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 767 DAG size of output: 733 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:45:29,964 WARN L227 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 779 DAG size of output: 739 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:45:38,209 WARN L227 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 778 DAG size of output: 736 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:45:47,074 WARN L227 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 784 DAG size of output: 744 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)