./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.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_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/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_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/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_5496f826-ae06-4c78-bfe9-966d4ccb9d86/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 cb4cf2f7b619bb65636b8158cc0f6ae5cf90699f1f1c19bf802021a20c422d2c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:34:23,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:34:23,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:34:23,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:34:23,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:34:23,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:34:23,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:34:23,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:34:23,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:34:23,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:34:23,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:34:23,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:34:23,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:34:23,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:34:23,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:34:23,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:34:23,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:34:23,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:34:23,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:34:23,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:34:23,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:34:23,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:34:23,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:34:23,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:34:23,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:34:23,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:34:23,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:34:23,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:34:23,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:34:23,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:34:23,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:34:23,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:34:23,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:34:23,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:34:23,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:34:23,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:34:23,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:34:23,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:34:23,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:34:23,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:34:23,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:34:23,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:34:23,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:34:23,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:34:23,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:34:23,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:34:23,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:34:23,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:34:23,525 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:34:23,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:34:23,526 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:34:23,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:34:23,527 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:34:23,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:34:23,527 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:34:23,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:34:23,528 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:34:23,528 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:34:23,528 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:34:23,528 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:34:23,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:34:23,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:34:23,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:34:23,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:34:23,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:34:23,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:34:23,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:34:23,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:34:23,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:34:23,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:34:23,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:34:23,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:23,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:34:23,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:34:23,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:34:23,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:34:23,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:34:23,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:34:23,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:34:23,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:34:23,534 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_5496f826-ae06-4c78-bfe9-966d4ccb9d86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb4cf2f7b619bb65636b8158cc0f6ae5cf90699f1f1c19bf802021a20c422d2c [2021-11-23 02:34:23,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:34:23,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:34:23,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:34:23,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:34:23,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:34:23,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2021-11-23 02:34:23,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/data/6a07d8761/5d7e46fe3bad4a3f84a83cb042f4c203/FLAG2647d1afd [2021-11-23 02:34:24,778 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:34:24,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2021-11-23 02:34:24,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/data/6a07d8761/5d7e46fe3bad4a3f84a83cb042f4c203/FLAG2647d1afd [2021-11-23 02:34:24,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/data/6a07d8761/5d7e46fe3bad4a3f84a83cb042f4c203 [2021-11-23 02:34:24,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:34:24,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:34:24,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:24,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:34:24,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:34:24,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:24" (1/1) ... [2021-11-23 02:34:24,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66204529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:24, skipping insertion in model container [2021-11-23 02:34:24,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:24" (1/1) ... [2021-11-23 02:34:24,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:34:25,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:34:25,755 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_5496f826-ae06-4c78-bfe9-966d4ccb9d86/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i[153287,153300] [2021-11-23 02:34:25,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:26,012 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:34:26,220 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_5496f826-ae06-4c78-bfe9-966d4ccb9d86/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i[153287,153300] [2021-11-23 02:34:26,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:26,286 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:34:26,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26 WrapperNode [2021-11-23 02:34:26,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:26,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:34:26,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:34:26,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:34:26,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,355 INFO L137 Inliner]: procedures = 82, calls = 140, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 461 [2021-11-23 02:34:26,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:34:26,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:34:26,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:34:26,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:34:26,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:34:26,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:34:26,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:34:26,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:34:26,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (1/1) ... [2021-11-23 02:34:26,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:26,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:26,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:34:26,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:34:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:34:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:34:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:34:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:34:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:34:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:34:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 02:34:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 02:34:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:34:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:34:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 02:34:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 02:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:34:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:34:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:34:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:34:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:34:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:34:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:34:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 02:34:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 02:34:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:34:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:34:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:34:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:34:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:34:26,900 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:34:26,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:34:27,013 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:34:27,517 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:34:27,609 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:34:27,609 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 02:34:27,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:27 BoogieIcfgContainer [2021-11-23 02:34:27,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:34:27,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:34:27,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:34:27,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:34:27,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:24" (1/3) ... [2021-11-23 02:34:27,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a9c24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:27, skipping insertion in model container [2021-11-23 02:34:27,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:26" (2/3) ... [2021-11-23 02:34:27,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a9c24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:27, skipping insertion in model container [2021-11-23 02:34:27,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:27" (3/3) ... [2021-11-23 02:34:27,620 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2021-11-23 02:34:27,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:34:27,625 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:34:27,673 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:34:27,680 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 02:34:27,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:34:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 85 states have (on average 1.4823529411764707) internal successors, (126), 90 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-23 02:34:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:34:27,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:27,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:27,711 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:27,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:27,716 INFO L85 PathProgramCache]: Analyzing trace with hash -392250644, now seen corresponding path program 1 times [2021-11-23 02:34:27,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:27,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841340873] [2021-11-23 02:34:27,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:27,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:28,131 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:28,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841340873] [2021-11-23 02:34:28,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841340873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:28,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:28,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:28,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702629135] [2021-11-23 02:34:28,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:28,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:28,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:28,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:28,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:28,168 INFO L87 Difference]: Start difference. First operand has 118 states, 85 states have (on average 1.4823529411764707) internal successors, (126), 90 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:34:28,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:28,432 INFO L93 Difference]: Finished difference Result 331 states and 475 transitions. [2021-11-23 02:34:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:28,435 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-23 02:34:28,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:28,451 INFO L225 Difference]: With dead ends: 331 [2021-11-23 02:34:28,451 INFO L226 Difference]: Without dead ends: 207 [2021-11-23 02:34:28,456 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 02:34:28,463 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 134 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:28,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 279 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:34:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-23 02:34:28,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2021-11-23 02:34:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 156 states have (on average 1.3846153846153846) internal successors, (216), 156 states have internal predecessors, (216), 34 states have call successors, (34), 17 states have call predecessors, (34), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-23 02:34:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 283 transitions. [2021-11-23 02:34:28,543 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 283 transitions. Word has length 18 [2021-11-23 02:34:28,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:28,543 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 283 transitions. [2021-11-23 02:34:28,544 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:34:28,544 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 283 transitions. [2021-11-23 02:34:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 02:34:28,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:28,546 INFO L514 BasicCegarLoop]: trace histogram [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 02:34:28,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:34:28,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:28,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:28,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1065576068, now seen corresponding path program 1 times [2021-11-23 02:34:28,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:28,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263316625] [2021-11-23 02:34:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:28,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:28,634 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:28,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263316625] [2021-11-23 02:34:28,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263316625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:28,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:28,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:34:28,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906726360] [2021-11-23 02:34:28,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:28,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:34:28,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:28,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:34:28,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:34:28,644 INFO L87 Difference]: Start difference. First operand 207 states and 283 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:34:28,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:28,762 INFO L93 Difference]: Finished difference Result 411 states and 562 transitions. [2021-11-23 02:34:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:34:28,764 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-23 02:34:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:28,767 INFO L225 Difference]: With dead ends: 411 [2021-11-23 02:34:28,767 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 02:34:28,769 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 02:34:28,770 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:28,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:34:28,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 02:34:28,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-23 02:34:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 157 states have (on average 1.3821656050955413) internal successors, (217), 157 states have internal predecessors, (217), 34 states have call successors, (34), 17 states have call predecessors, (34), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-23 02:34:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 284 transitions. [2021-11-23 02:34:28,793 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 284 transitions. Word has length 22 [2021-11-23 02:34:28,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:28,794 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 284 transitions. [2021-11-23 02:34:28,794 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, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:34:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 284 transitions. [2021-11-23 02:34:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 02:34:28,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:28,796 INFO L514 BasicCegarLoop]: trace histogram [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 02:34:28,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:34:28,796 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash 102075255, now seen corresponding path program 1 times [2021-11-23 02:34:28,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:28,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366381127] [2021-11-23 02:34:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:28,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:28,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:28,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366381127] [2021-11-23 02:34:28,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366381127] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:34:28,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059504985] [2021-11-23 02:34:28,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:28,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:28,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:28,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:34:28,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:34:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:29,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:34:29,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:34:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:29,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:34:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:29,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059504985] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:34:29,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [583975022] [2021-11-23 02:34:29,272 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-23 02:34:29,273 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:34:29,278 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:34:29,285 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:34:29,286 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:34:29,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2021-11-23 02:34:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:29,611 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-11-23 02:34:29,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 110 [2021-11-23 02:34:29,676 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 53 treesize of output 47 [2021-11-23 02:34:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:29,892 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-23 02:34:29,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2021-11-23 02:34:29,935 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:34:29,942 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:34:30,070 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:34:30,289 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:34:30,321 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:34:30,329 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 73 for LOIs [2021-11-23 02:34:30,378 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:34:31,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [583975022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:31,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:34:31,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4] total 13 [2021-11-23 02:34:31,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478223483] [2021-11-23 02:34:31,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:31,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:34:31,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:34:31,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:34:31,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:34:31,347 INFO L87 Difference]: Start difference. First operand 208 states and 284 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:34:31,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:31,722 INFO L93 Difference]: Finished difference Result 418 states and 570 transitions. [2021-11-23 02:34:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:34:31,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-23 02:34:31,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:31,725 INFO L225 Difference]: With dead ends: 418 [2021-11-23 02:34:31,725 INFO L226 Difference]: Without dead ends: 214 [2021-11-23 02:34:31,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:34:31,727 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 6 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:31,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 281 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:34:31,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-23 02:34:31,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2021-11-23 02:34:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 162 states have (on average 1.376543209876543) internal successors, (223), 161 states have internal predecessors, (223), 34 states have call successors, (34), 18 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2021-11-23 02:34:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 291 transitions. [2021-11-23 02:34:31,753 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 291 transitions. Word has length 23 [2021-11-23 02:34:31,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:31,753 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 291 transitions. [2021-11-23 02:34:31,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:34:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 291 transitions. [2021-11-23 02:34:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:34:31,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:31,755 INFO L514 BasicCegarLoop]: trace histogram [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 02:34:31,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:34:31,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:31,975 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:31,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash 737573919, now seen corresponding path program 1 times [2021-11-23 02:34:31,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:34:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958266741] [2021-11-23 02:34:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:31,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:34:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:34:32,038 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:34:32,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958266741] [2021-11-23 02:34:32,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958266741] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:34:32,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033730398] [2021-11-23 02:34:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:32,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:34:32,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:32,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:34:32,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:34:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:32,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:34:32,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:34:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:34:32,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:34:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:34:32,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033730398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:34:32,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [432719387] [2021-11-23 02:34:32,303 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-23 02:34:32,303 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:34:32,303 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:34:32,303 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:34:32,304 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:34:32,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,529 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-23 02:34:32,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2021-11-23 02:34:32,563 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 53 treesize of output 47 [2021-11-23 02:34:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2021-11-23 02:34:32,620 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 53 treesize of output 47 [2021-11-23 02:34:32,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,808 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 56 treesize of output 34 [2021-11-23 02:34:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2021-11-23 02:34:32,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:32,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-23 02:34:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,050 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 56 treesize of output 34 [2021-11-23 02:34:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-23 02:34:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2021-11-23 02:34:33,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2021-11-23 02:34:33,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2021-11-23 02:34:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2021-11-23 02:34:33,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2021-11-23 02:34:33,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:34:33,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,850 INFO L354 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2021-11-23 02:34:33,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 586 treesize of output 567 [2021-11-23 02:34:33,912 INFO L354 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2021-11-23 02:34:33,913 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 581 treesize of output 573 [2021-11-23 02:34:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:33,981 INFO L354 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2021-11-23 02:34:33,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 573 treesize of output 554 [2021-11-23 02:34:34,034 INFO L354 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2021-11-23 02:34:34,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 568 treesize of output 565 [2021-11-23 02:34:34,084 INFO L354 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2021-11-23 02:34:34,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 565 treesize of output 562 [2021-11-23 02:34:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:36,060 INFO L354 Elim1Store]: treesize reduction 59, result has 44.9 percent of original size [2021-11-23 02:34:36,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 580 treesize of output 596 [2021-11-23 02:34:36,168 INFO L354 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2021-11-23 02:34:36,169 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 597 treesize of output 593 [2021-11-23 02:34:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:36,368 INFO L354 Elim1Store]: treesize reduction 55, result has 48.6 percent of original size [2021-11-23 02:34:36,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 593 treesize of output 613 [2021-11-23 02:34:37,574 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 24 treesize of output 21 [2021-11-23 02:34:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:38,111 INFO L354 Elim1Store]: treesize reduction 80, result has 61.2 percent of original size [2021-11-23 02:34:38,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 495 treesize of output 577 [2021-11-23 02:34:52,350 INFO L354 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2021-11-23 02:34:52,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 519 treesize of output 533 [2021-11-23 02:34:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,782 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-11-23 02:34:52,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 499 treesize of output 454 [2021-11-23 02:35:14,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:35:14,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:35:14,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2021-11-23 02:35:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 83 [2021-11-23 02:35:14,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:35:14,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-23 02:35:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:14,907 INFO L354 Elim1Store]: treesize reduction 98, result has 52.4 percent of original size [2021-11-23 02:35:14,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 782 treesize of output 828 [2021-11-23 02:35:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,372 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 26 treesize of output 1 [2021-11-23 02:35:21,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:21,776 INFO L354 Elim1Store]: treesize reduction 205, result has 0.5 percent of original size [2021-11-23 02:35:21,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1036 treesize of output 1 [2021-11-23 02:35:23,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,019 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 26 treesize of output 1 [2021-11-23 02:35:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,210 INFO L354 Elim1Store]: treesize reduction 205, result has 0.5 percent of original size [2021-11-23 02:35:23,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 527 treesize of output 484 [2021-11-23 02:35:23,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:23,535 INFO L354 Elim1Store]: treesize reduction 205, result has 0.5 percent of original size [2021-11-23 02:35:23,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 527 treesize of output 484 [2021-11-23 02:35:24,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1727 treesize of output 1716 [2021-11-23 02:35:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:25,066 INFO L354 Elim1Store]: treesize reduction 205, result has 0.5 percent of original size [2021-11-23 02:35:25,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1098 treesize of output 1011 [2021-11-23 02:35:56,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:35:56,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:35:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,093 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-11-23 02:35:57,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 527 treesize of output 482 [2021-11-23 02:35:57,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-23 02:35:58,096 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:35:59,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1072 treesize of output 1065 [2021-11-23 02:36:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:00,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1022 treesize of output 980 [2021-11-23 02:36:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:04,419 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-23 02:36:04,489 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-11-23 02:36:04,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 531 treesize of output 486 [2021-11-23 02:36:05,265 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:36:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1065 treesize of output 1068 [2021-11-23 02:36:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:06,708 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-23 02:36:06,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 417 treesize of output 374 [2021-11-23 02:36:07,178 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:36:07,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 556 treesize of output 561 [2021-11-23 02:36:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:08,347 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-11-23 02:36:08,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 561 treesize of output 514 [2021-11-23 02:36:08,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:08,796 INFO L354 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2021-11-23 02:36:08,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 1 [2021-11-23 02:36:08,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:09,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:13,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 520 treesize of output 520 [2021-11-23 02:36:13,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 540 treesize of output 535 [2021-11-23 02:36:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:14,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 520 treesize of output 520 [2021-11-23 02:36:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:16,884 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-11-23 02:36:16,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 527 treesize of output 482 [2021-11-23 02:36:17,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:17,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:19,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:19,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:36:55,467 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-11-23 02:36:57,013 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-11-23 02:36:59,953 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-23 02:37:00,032 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6012 conjuctions. This might take some time... [2021-11-23 02:37:10,493 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 2672 conjuctions. [2021-11-23 02:37:10,532 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-23 02:37:17,343 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:37:17,583 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:37:18,999 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:37:19,305 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:37:42,782 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-11-23 02:37:44,218 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-11-23 02:37:46,967 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-23 02:37:47,036 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6012 conjuctions. This might take some time... [2021-11-23 02:37:57,685 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 2672 conjuctions. [2021-11-23 02:37:57,723 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-23 02:38:04,941 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:38:05,165 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:38:06,551 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:38:06,858 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 02:38:30,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2021-11-23 02:38:30,260 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 29 treesize of output 25 [2021-11-23 02:38:30,277 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 25 treesize of output 1 [2021-11-23 02:38:30,499 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 202 for LOIs [2021-11-23 02:38:30,700 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:38:46,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [432719387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:38:46,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:38:46,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 22 [2021-11-23 02:38:46,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7660258] [2021-11-23 02:38:46,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:38:46,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-23 02:38:46,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:38:46,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-23 02:38:46,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:38:46,581 INFO L87 Difference]: Start difference. First operand 214 states and 291 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:38:49,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:38:49,031 INFO L93 Difference]: Finished difference Result 438 states and 597 transitions. [2021-11-23 02:38:49,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:38:49,038 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-23 02:38:49,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:38:49,040 INFO L225 Difference]: With dead ends: 438 [2021-11-23 02:38:49,040 INFO L226 Difference]: Without dead ends: 234 [2021-11-23 02:38:49,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2021-11-23 02:38:49,042 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 31 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:38:49,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 774 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 524 Invalid, 0 Unknown, 114 Unchecked, 1.3s Time] [2021-11-23 02:38:49,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-11-23 02:38:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 231. [2021-11-23 02:38:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 179 states have (on average 1.3743016759776536) internal successors, (246), 178 states have internal predecessors, (246), 34 states have call successors, (34), 18 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2021-11-23 02:38:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 314 transitions. [2021-11-23 02:38:49,077 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 314 transitions. Word has length 24 [2021-11-23 02:38:49,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:38:49,078 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 314 transitions. [2021-11-23 02:38:49,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 14 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:38:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 314 transitions. [2021-11-23 02:38:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:38:49,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:38:49,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 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 02:38:49,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 02:38:49,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:38:49,285 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:38:49,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:38:49,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1588125164, now seen corresponding path program 1 times [2021-11-23 02:38:49,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:38:49,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202316117] [2021-11-23 02:38:49,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:49,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:38:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:38:49,357 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:38:49,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202316117] [2021-11-23 02:38:49,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202316117] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:38:49,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484432950] [2021-11-23 02:38:49,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:49,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:38:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:38:49,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:38:49,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:38:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:49,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:38:49,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:38:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:38:49,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:38:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:38:49,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484432950] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:38:49,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019311110] [2021-11-23 02:38:49,589 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-23 02:38:49,589 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:38:49,590 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:38:49,590 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:38:49,590 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:38:49,633 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 53 treesize of output 47 [2021-11-23 02:38:49,652 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 53 treesize of output 47 [2021-11-23 02:38:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:49,770 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-11-23 02:38:49,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 110 [2021-11-23 02:38:49,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:49,899 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-23 02:38:49,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2021-11-23 02:38:49,911 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:38:49,912 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:38:49,953 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 7 treesize of output 6 [2021-11-23 02:38:49,957 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 02:38:49,963 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 02:38:50,009 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:38:50,093 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:38:50,108 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 02:38:50,113 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 73 for LOIs [2021-11-23 02:38:50,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 40 [2021-11-23 02:38:50,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2021-11-23 02:38:50,174 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 36 treesize of output 35 [2021-11-23 02:38:50,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2021-11-23 02:38:50,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 39 [2021-11-23 02:38:50,232 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 36 treesize of output 35 [2021-11-23 02:38:50,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2021-11-23 02:38:50,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 39 [2021-11-23 02:38:50,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2021-11-23 02:38:50,362 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 85 for LOIs [2021-11-23 02:38:50,391 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:38:52,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2019311110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:38:52,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:38:52,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 17 [2021-11-23 02:38:52,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172937164] [2021-11-23 02:38:52,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:38:52,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:38:52,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:38:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:38:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:38:52,703 INFO L87 Difference]: Start difference. First operand 231 states and 314 transitions. Second operand has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:38:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:38:53,324 INFO L93 Difference]: Finished difference Result 442 states and 599 transitions. [2021-11-23 02:38:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 02:38:53,328 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2021-11-23 02:38:53,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:38:53,330 INFO L225 Difference]: With dead ends: 442 [2021-11-23 02:38:53,330 INFO L226 Difference]: Without dead ends: 238 [2021-11-23 02:38:53,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:38:53,332 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 10 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:38:53,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 619 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 68 Unchecked, 0.6s Time] [2021-11-23 02:38:53,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-23 02:38:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-11-23 02:38:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 183 states have (on average 1.366120218579235) internal successors, (250), 183 states have internal predecessors, (250), 35 states have call successors, (35), 19 states have call predecessors, (35), 19 states have return successors, (35), 35 states have call predecessors, (35), 34 states have call successors, (35) [2021-11-23 02:38:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 320 transitions. [2021-11-23 02:38:53,364 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 320 transitions. Word has length 27 [2021-11-23 02:38:53,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:38:53,365 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 320 transitions. [2021-11-23 02:38:53,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:38:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 320 transitions. [2021-11-23 02:38:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:38:53,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:38:53,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 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 02:38:53,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 02:38:53,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:38:53,581 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:38:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:38:53,581 INFO L85 PathProgramCache]: Analyzing trace with hash -439519158, now seen corresponding path program 1 times [2021-11-23 02:38:53,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:38:53,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53572904] [2021-11-23 02:38:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:53,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:38:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:38:53,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:38:53,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53572904] [2021-11-23 02:38:53,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53572904] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:38:53,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853099276] [2021-11-23 02:38:53,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:53,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:38:53,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:38:53,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:38:53,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5496f826-ae06-4c78-bfe9-966d4ccb9d86/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:38:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:53,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:38:53,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:38:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:38:53,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:38:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:38:53,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853099276] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:38:53,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1734273378] [2021-11-23 02:38:53,922 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-23 02:38:53,922 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:38:53,923 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:38:53,923 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:38:53,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:38:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,121 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-23 02:38:54,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 16 case distinctions, treesize of input 62 treesize of output 121 [2021-11-23 02:38:54,145 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 53 treesize of output 47 [2021-11-23 02:38:54,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2021-11-23 02:38:54,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2021-11-23 02:38:54,289 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 02:38:54,294 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 7 treesize of output 6 [2021-11-23 02:38:54,299 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 02:38:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,381 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 56 treesize of output 34 [2021-11-23 02:38:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-23 02:38:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2021-11-23 02:38:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2021-11-23 02:38:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,568 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 56 treesize of output 34 [2021-11-23 02:38:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-23 02:38:54,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 63 [2021-11-23 02:38:54,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2021-11-23 02:38:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2021-11-23 02:38:54,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 62 [2021-11-23 02:38:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:54,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-11-23 02:38:54,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-11-23 02:38:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:55,135 INFO L354 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2021-11-23 02:38:55,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 663 treesize of output 644 [2021-11-23 02:38:55,195 INFO L354 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2021-11-23 02:38:55,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 658 treesize of output 654 [2021-11-23 02:38:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:55,249 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 653 treesize of output 657 [2021-11-23 02:38:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:55,325 INFO L354 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2021-11-23 02:38:55,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 654 treesize of output 635 [2021-11-23 02:38:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:55,357 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 649 treesize of output 653 [2021-11-23 02:38:55,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:55,391 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 650 treesize of output 654 [2021-11-23 02:38:56,875 INFO L354 Elim1Store]: treesize reduction 62, result has 36.1 percent of original size [2021-11-23 02:38:56,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 687 treesize of output 712 [2021-11-23 02:38:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:57,014 INFO L354 Elim1Store]: treesize reduction 74, result has 39.3 percent of original size [2021-11-23 02:38:57,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 712 treesize of output 728 [2021-11-23 02:38:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:38:57,284 INFO L354 Elim1Store]: treesize reduction 70, result has 42.6 percent of original size [2021-11-23 02:38:57,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 729 treesize of output 749 [2021-11-23 02:38:57,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2021-11-23 02:38:58,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:38:58,280 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-11-23 02:38:58,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 25 [2021-11-23 02:39:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:05,545 INFO L354 Elim1Store]: treesize reduction 115, result has 59.1 percent of original size [2021-11-23 02:39:05,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 657 treesize of output 774 [2021-11-23 02:39:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:09,535 INFO L354 Elim1Store]: treesize reduction 115, result has 59.1 percent of original size [2021-11-23 02:39:09,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 211 [2021-11-23 02:39:10,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:39:10,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:11,228 INFO L354 Elim1Store]: treesize reduction 115, result has 59.1 percent of original size [2021-11-23 02:39:11,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 625 treesize of output 742 [2021-11-23 02:39:13,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:13,870 INFO L354 Elim1Store]: treesize reduction 115, result has 59.1 percent of original size [2021-11-23 02:39:13,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 211 [2021-11-23 02:39:14,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:39:16,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:16,250 INFO L354 Elim1Store]: treesize reduction 115, result has 59.1 percent of original size [2021-11-23 02:39:16,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 211 [2021-11-23 02:39:17,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:39:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:39:17,954 INFO L354 Elim1Store]: treesize reduction 115, result has 59.1 percent of original size [2021-11-23 02:39:17,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 591 treesize of output 708 [2021-11-23 02:39:35,381 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 39 treesize of output 31 [2021-11-23 02:40:40,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:40:40,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:40:40,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:40:40,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:40:40,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:40:40,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:40:40,821 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-23 02:40:40,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 3826 treesize of output 3825 [2021-11-23 02:42:57,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:57,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:57,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:57,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:57,822 INFO L354 Elim1Store]: treesize reduction 406, result has 0.2 percent of original size [2021-11-23 02:42:57,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 689 treesize of output 636 [2021-11-23 02:42:58,196 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:42:58,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 709 treesize of output 696 [2021-11-23 02:42:58,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:58,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:58,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:58,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:59,568 INFO L354 Elim1Store]: treesize reduction 36, result has 41.9 percent of original size [2021-11-23 02:42:59,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 4127 treesize of output 4072 [2021-11-23 02:43:01,477 INFO L354 Elim1Store]: treesize reduction 36, result has 41.9 percent of original size [2021-11-23 02:43:01,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3898 treesize of output 3864 [2021-11-23 02:43:04,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:43:04,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:43:04,741 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:43:04,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 672 treesize of output 659 [2021-11-23 02:43:05,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:05,420 INFO L354 Elim1Store]: treesize reduction 406, result has 0.2 percent of original size [2021-11-23 02:43:05,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 619 treesize of output 566 [2021-11-23 02:43:05,810 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:43:05,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 639 treesize of output 1 [2021-11-23 02:43:06,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:43:06,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:43:06,286 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:43:06,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 1 [2021-11-23 02:43:06,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:43:12,266 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:43:12,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3295 treesize of output 1 [2021-11-23 02:43:13,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2021-11-23 02:43:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:14,797 INFO L354 Elim1Store]: treesize reduction 145, result has 48.4 percent of original size [2021-11-23 02:43:14,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1060 treesize of output 1084 [2021-11-23 02:43:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:31,732 INFO L354 Elim1Store]: treesize reduction 406, result has 0.2 percent of original size [2021-11-23 02:43:31,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 5009 treesize of output 4496 [2021-11-23 02:43:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:38,423 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 41 treesize of output 1 [2021-11-23 02:43:38,824 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:43:38,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3261 treesize of output 1 [2021-11-23 02:43:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:42,916 INFO L354 Elim1Store]: treesize reduction 406, result has 0.2 percent of original size [2021-11-23 02:43:42,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 3161 treesize of output 2928 [2021-11-23 02:43:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:43:44,958 INFO L354 Elim1Store]: treesize reduction 280, result has 0.4 percent of original size [2021-11-23 02:43:44,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 685 treesize of output 1 [2021-11-23 02:44:03,998 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:04,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:04,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:04,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:09,044 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:44:09,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3261 treesize of output 3228 [2021-11-23 02:44:11,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:11,395 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 41 treesize of output 1 [2021-11-23 02:44:14,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:14,524 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 41 treesize of output 1 [2021-11-23 02:44:18,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:18,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:18,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:18,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:44:20,027 INFO L354 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2021-11-23 02:44:20,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3261 treesize of output 3228 [2021-11-23 02:44:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:44:21,943 INFO L354 Elim1Store]: treesize reduction 406, result has 0.2 percent of original size [2021-11-23 02:44:21,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 3161 treesize of output 2928