/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:42:56,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:42:56,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:42:56,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:42:56,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:42:56,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:42:56,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:42:56,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:42:56,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:42:56,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:42:56,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:42:56,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:42:56,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:42:56,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:42:56,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:42:56,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:42:56,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:42:56,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:42:56,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:42:56,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:42:56,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:42:56,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:42:56,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:42:56,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:42:56,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 11:42:56,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 11:42:56,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 11:42:56,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 11:42:56,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 11:42:56,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 11:42:56,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:42:56,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:42:56,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:42:56,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:42:56,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:42:56,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:42:56,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:42:56,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:42:56,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:42:56,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:42:56,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:42:56,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:42:56,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:42:56,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:42:56,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:42:56,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:42:56,428 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:42:56,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:42:56,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:42:56,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:42:56,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:42:56,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:42:56,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:42:56,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:42:56,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:42:56,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:42:56,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:42:56,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:42:56,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:42:56,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:42:56,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:42:56,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:42:56,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:42:56,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:42:56,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:42:56,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:42:56,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:42:56,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:42:56,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:42:56,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:42:56,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:42:56,826 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:42:56,827 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:42:56,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i [2020-12-22 11:42:56,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de535db04/cc28ed3330a148f28a39238f813eea62/FLAGc2d92f4d4 [2020-12-22 11:42:57,990 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:42:57,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i [2020-12-22 11:42:58,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de535db04/cc28ed3330a148f28a39238f813eea62/FLAGc2d92f4d4 [2020-12-22 11:42:58,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de535db04/cc28ed3330a148f28a39238f813eea62 [2020-12-22 11:42:58,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:42:58,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:42:58,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:42:58,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:42:58,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:42:58,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:42:58" (1/1) ... [2020-12-22 11:42:58,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff790e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:42:58, skipping insertion in model container [2020-12-22 11:42:58,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:42:58" (1/1) ... [2020-12-22 11:42:58,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:42:58,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:42:58,873 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i[4497,4510] [2020-12-22 11:42:58,881 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i[4557,4570] [2020-12-22 11:42:58,915 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:42:58,925 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:43:00,670 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,671 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,671 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,672 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,684 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,719 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,720 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,723 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,724 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,733 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,734 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,735 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:00,736 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,187 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:43:01,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:43:01,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:43:01,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:43:01,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:43:01,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:43:01,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:43:01,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:43:01,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:43:01,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:43:01,493 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:43:01,979 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,980 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,012 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,016 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,037 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,037 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,063 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,065 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,065 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,066 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,067 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,068 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,070 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:43:02,201 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:43:02,232 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i[4497,4510] [2020-12-22 11:43:02,241 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i[4557,4570] [2020-12-22 11:43:02,243 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:43:02,248 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:43:02,328 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,329 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,330 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,331 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,332 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,346 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,348 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,350 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,350 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,351 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,352 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,352 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,352 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,390 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:43:02,391 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:43:02,392 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:43:02,393 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:43:02,394 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:43:02,395 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:43:02,395 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:43:02,396 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:43:02,396 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:43:02,397 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:43:02,422 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:43:02,608 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,609 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,623 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,625 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,629 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,630 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,649 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,650 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,651 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,651 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,690 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,690 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,691 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:43:03,774 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:43:03,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03 WrapperNode [2020-12-22 11:43:03,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:43:03,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:43:03,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:43:03,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:43:03,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:03,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:43:04,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:43:04,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:43:04,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:43:04,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... [2020-12-22 11:43:04,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:43:04,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:43:04,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:43:04,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:43:04,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:43:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-22 11:43:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 11:43:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 11:43:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 11:43:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:43:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:43:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 11:43:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:43:14,726 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:43:14,726 INFO L299 CfgBuilder]: Removed 144 assume(true) statements. [2020-12-22 11:43:14,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:43:14 BoogieIcfgContainer [2020-12-22 11:43:14,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:43:14,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:43:14,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:43:14,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:43:14,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:42:58" (1/3) ... [2020-12-22 11:43:14,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8d7a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:43:14, skipping insertion in model container [2020-12-22 11:43:14,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:03" (2/3) ... [2020-12-22 11:43:14,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8d7a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:43:14, skipping insertion in model container [2020-12-22 11:43:14,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:43:14" (3/3) ... [2020-12-22 11:43:14,743 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clean_up_harness.i [2020-12-22 11:43:14,750 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:43:14,757 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-22 11:43:14,779 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-22 11:43:14,827 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:43:14,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:43:14,828 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:43:14,828 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:43:14,828 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:43:14,828 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:43:14,828 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:43:14,829 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:43:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-12-22 11:43:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 11:43:14,867 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:14,868 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:14,868 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:14,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:14,876 INFO L82 PathProgramCache]: Analyzing trace with hash 937862733, now seen corresponding path program 1 times [2020-12-22 11:43:14,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:14,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959812561] [2020-12-22 11:43:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:15,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959812561] [2020-12-22 11:43:15,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:15,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:43:15,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558846315] [2020-12-22 11:43:15,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 11:43:15,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:15,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 11:43:15,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 11:43:15,898 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2020-12-22 11:43:15,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:15,978 INFO L93 Difference]: Finished difference Result 296 states and 397 transitions. [2020-12-22 11:43:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 11:43:15,979 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 55 [2020-12-22 11:43:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:15,995 INFO L225 Difference]: With dead ends: 296 [2020-12-22 11:43:15,995 INFO L226 Difference]: Without dead ends: 144 [2020-12-22 11:43:15,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 11:43:16,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-12-22 11:43:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-12-22 11:43:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-22 11:43:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2020-12-22 11:43:16,048 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 55 [2020-12-22 11:43:16,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:16,048 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2020-12-22 11:43:16,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 11:43:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2020-12-22 11:43:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 11:43:16,051 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:16,051 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:16,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:43:16,052 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:16,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:16,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1984184949, now seen corresponding path program 1 times [2020-12-22 11:43:16,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:16,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075124769] [2020-12-22 11:43:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:16,193 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:16,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056644011] [2020-12-22 11:43:16,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:17,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-22 11:43:17,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:17,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075124769] [2020-12-22 11:43:17,538 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:17,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056644011] [2020-12-22 11:43:17,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:17,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 11:43:17,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336084508] [2020-12-22 11:43:17,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 11:43:17,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:17,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 11:43:17,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 11:43:17,542 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 6 states. [2020-12-22 11:43:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:17,929 INFO L93 Difference]: Finished difference Result 291 states and 339 transitions. [2020-12-22 11:43:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 11:43:17,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-12-22 11:43:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:17,934 INFO L225 Difference]: With dead ends: 291 [2020-12-22 11:43:17,934 INFO L226 Difference]: Without dead ends: 179 [2020-12-22 11:43:17,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:43:17,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-12-22 11:43:17,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 144. [2020-12-22 11:43:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-22 11:43:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-12-22 11:43:17,973 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 55 [2020-12-22 11:43:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:17,974 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-12-22 11:43:17,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 11:43:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-12-22 11:43:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 11:43:17,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:17,976 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:18,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-22 11:43:18,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:18,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:18,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1595461862, now seen corresponding path program 1 times [2020-12-22 11:43:18,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:18,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135815939] [2020-12-22 11:43:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:18,442 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:18,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056487710] [2020-12-22 11:43:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:19,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-22 11:43:19,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:19,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:19,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:19,913 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:19,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:19,970 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-12-22 11:43:19,973 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:19,979 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-12-22 11:43:19,982 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:20,008 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:20,015 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-12-22 11:43:20,018 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:20,023 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-12-22 11:43:20,025 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:20,035 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:20,036 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-22 11:43:20,037 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-12-22 11:43:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:20,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135815939] [2020-12-22 11:43:20,094 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:20,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056487710] [2020-12-22 11:43:20,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:20,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:43:20,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869894038] [2020-12-22 11:43:20,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:43:20,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:20,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:43:20,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:43:20,097 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 5 states. [2020-12-22 11:43:24,699 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-22 11:43:24,857 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-22 11:43:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:25,914 INFO L93 Difference]: Finished difference Result 392 states and 460 transitions. [2020-12-22 11:43:25,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:43:25,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-22 11:43:25,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:25,923 INFO L225 Difference]: With dead ends: 392 [2020-12-22 11:43:25,924 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 11:43:25,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 11:43:25,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 11:43:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 156. [2020-12-22 11:43:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-12-22 11:43:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-12-22 11:43:25,964 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 57 [2020-12-22 11:43:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:25,964 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-12-22 11:43:25,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:43:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-12-22 11:43:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 11:43:25,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:25,972 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:26,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:26,174 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:26,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:26,175 INFO L82 PathProgramCache]: Analyzing trace with hash -2039973912, now seen corresponding path program 1 times [2020-12-22 11:43:26,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:26,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106702753] [2020-12-22 11:43:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:26,311 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:26,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399624513] [2020-12-22 11:43:26,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:27,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 2492 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 11:43:27,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:27,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106702753] [2020-12-22 11:43:27,694 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:27,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399624513] [2020-12-22 11:43:27,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:27,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:43:27,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385117565] [2020-12-22 11:43:27,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:43:27,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:27,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:43:27,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:43:27,697 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 4 states. [2020-12-22 11:43:27,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:27,888 INFO L93 Difference]: Finished difference Result 277 states and 322 transitions. [2020-12-22 11:43:27,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:43:27,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-12-22 11:43:27,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:27,891 INFO L225 Difference]: With dead ends: 277 [2020-12-22 11:43:27,891 INFO L226 Difference]: Without dead ends: 152 [2020-12-22 11:43:27,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:43:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-12-22 11:43:27,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2020-12-22 11:43:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-22 11:43:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 167 transitions. [2020-12-22 11:43:27,902 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 167 transitions. Word has length 57 [2020-12-22 11:43:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:27,902 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 167 transitions. [2020-12-22 11:43:27,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:43:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 167 transitions. [2020-12-22 11:43:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 11:43:27,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:27,904 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:28,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:28,119 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:28,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:28,121 INFO L82 PathProgramCache]: Analyzing trace with hash -2131858401, now seen corresponding path program 1 times [2020-12-22 11:43:28,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:28,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633066847] [2020-12-22 11:43:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:28,223 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:28,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550249377] [2020-12-22 11:43:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:29,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-22 11:43:29,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:29,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:29,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633066847] [2020-12-22 11:43:29,589 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:29,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550249377] [2020-12-22 11:43:29,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:29,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:43:29,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032131994] [2020-12-22 11:43:29,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:43:29,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:29,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:43:29,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:43:29,592 INFO L87 Difference]: Start difference. First operand 148 states and 167 transitions. Second operand 4 states. [2020-12-22 11:43:29,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:29,723 INFO L93 Difference]: Finished difference Result 274 states and 308 transitions. [2020-12-22 11:43:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:43:29,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-12-22 11:43:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:29,725 INFO L225 Difference]: With dead ends: 274 [2020-12-22 11:43:29,725 INFO L226 Difference]: Without dead ends: 148 [2020-12-22 11:43:29,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:43:29,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-12-22 11:43:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-12-22 11:43:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-22 11:43:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2020-12-22 11:43:29,735 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 58 [2020-12-22 11:43:29,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:29,735 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2020-12-22 11:43:29,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:43:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2020-12-22 11:43:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 11:43:29,737 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:29,737 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:29,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:29,954 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:29,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2071616654, now seen corresponding path program 1 times [2020-12-22 11:43:29,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:29,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242737723] [2020-12-22 11:43:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:30,066 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:30,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214290840] [2020-12-22 11:43:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:31,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 42 conjunts are in the unsatisfiable core [2020-12-22 11:43:31,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:31,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242737723] [2020-12-22 11:43:31,899 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:31,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214290840] [2020-12-22 11:43:31,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:31,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 11:43:31,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344075631] [2020-12-22 11:43:31,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 11:43:31,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 11:43:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-22 11:43:31,902 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 8 states. [2020-12-22 11:43:36,667 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-22 11:43:36,819 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2020-12-22 11:43:37,001 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-12-22 11:43:37,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:37,955 INFO L93 Difference]: Finished difference Result 205 states and 230 transitions. [2020-12-22 11:43:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 11:43:37,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-12-22 11:43:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:37,959 INFO L225 Difference]: With dead ends: 205 [2020-12-22 11:43:37,960 INFO L226 Difference]: Without dead ends: 201 [2020-12-22 11:43:37,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:43:37,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-12-22 11:43:37,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 152. [2020-12-22 11:43:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-22 11:43:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 170 transitions. [2020-12-22 11:43:37,975 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 170 transitions. Word has length 63 [2020-12-22 11:43:37,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:37,975 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 170 transitions. [2020-12-22 11:43:37,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 11:43:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 170 transitions. [2020-12-22 11:43:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 11:43:37,978 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:37,978 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:38,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 11:43:38,193 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:38,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:38,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1562853650, now seen corresponding path program 1 times [2020-12-22 11:43:38,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:38,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318711847] [2020-12-22 11:43:38,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:38,379 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:38,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [993378148] [2020-12-22 11:43:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:39,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 11:43:39,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:40,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:40,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:40,170 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:40,212 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-12-22 11:43:40,217 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:40,226 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-12-22 11:43:40,228 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:40,277 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:40,286 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-12-22 11:43:40,288 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:40,298 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-12-22 11:43:40,303 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:40,321 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:40,323 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-22 11:43:40,324 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-12-22 11:43:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:43:40,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318711847] [2020-12-22 11:43:40,380 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:40,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993378148] [2020-12-22 11:43:40,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:40,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:43:40,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811791911] [2020-12-22 11:43:40,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:43:40,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:40,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:43:40,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:43:40,383 INFO L87 Difference]: Start difference. First operand 152 states and 170 transitions. Second operand 5 states. [2020-12-22 11:43:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:45,474 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-12-22 11:43:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:43:45,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-22 11:43:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:45,476 INFO L225 Difference]: With dead ends: 206 [2020-12-22 11:43:45,477 INFO L226 Difference]: Without dead ends: 194 [2020-12-22 11:43:45,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:43:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-22 11:43:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 148. [2020-12-22 11:43:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-22 11:43:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2020-12-22 11:43:45,486 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 68 [2020-12-22 11:43:45,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:45,487 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2020-12-22 11:43:45,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:43:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2020-12-22 11:43:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 11:43:45,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:45,488 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:43:45,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:45,691 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:45,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:45,692 INFO L82 PathProgramCache]: Analyzing trace with hash 401697748, now seen corresponding path program 1 times [2020-12-22 11:43:45,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:45,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210013211] [2020-12-22 11:43:45,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:45,797 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:45,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407326049] [2020-12-22 11:43:45,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:48,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 105 conjunts are in the unsatisfiable core [2020-12-22 11:43:48,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:48,794 INFO L382 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 6 treesize of output 5 [2020-12-22 11:43:48,800 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:48,832 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:48,834 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:43:48,834 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2020-12-22 11:43:49,400 WARN L197 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-12-22 11:43:49,400 INFO L348 Elim1Store]: treesize reduction 45, result has 71.3 percent of original size [2020-12-22 11:43:49,401 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 45 treesize of output 141 [2020-12-22 11:43:49,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:49,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:49,423 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:49,563 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-12-22 11:43:49,564 INFO L625 ElimStorePlain]: treesize reduction 12, result has 80.0 percent of original size [2020-12-22 11:43:49,567 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:49,567 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:48 [2020-12-22 11:43:50,146 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-12-22 11:43:50,147 INFO L348 Elim1Store]: treesize reduction 24, result has 82.0 percent of original size [2020-12-22 11:43:50,147 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 32 treesize of output 129 [2020-12-22 11:43:50,153 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:50,311 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-12-22 11:43:50,313 INFO L625 ElimStorePlain]: treesize reduction 26, result has 65.8 percent of original size [2020-12-22 11:43:50,328 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:50,328 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:50 [2020-12-22 11:43:50,491 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-12-22 11:43:50,617 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:50,618 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 71 [2020-12-22 11:43:50,621 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:50,739 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-22 11:43:50,739 INFO L625 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2020-12-22 11:43:50,744 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:50,745 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:41 [2020-12-22 11:43:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:51,119 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-22 11:43:51,120 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:51,120 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 112 [2020-12-22 11:43:51,126 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:51,412 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-12-22 11:43:51,413 INFO L625 ElimStorePlain]: treesize reduction 42, result has 61.8 percent of original size [2020-12-22 11:43:51,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,434 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,436 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:51,437 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:68 [2020-12-22 11:43:51,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,585 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:51,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:51,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,596 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:51,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 11:43:51,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:51,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 11:43:51,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:51,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:51,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:51,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 11:43:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:51,871 INFO L244 Elim1Store]: Index analysis took 188 ms [2020-12-22 11:43:52,068 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-22 11:43:52,069 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:52,070 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 95 [2020-12-22 11:43:52,076 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:52,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:52,240 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:52,241 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 41 [2020-12-22 11:43:52,247 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:52,318 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:52,319 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 41 [2020-12-22 11:43:52,325 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:53,047 WARN L197 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2020-12-22 11:43:53,049 INFO L625 ElimStorePlain]: treesize reduction 78, result has 67.5 percent of original size [2020-12-22 11:43:53,068 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 11:43:53,069 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:53,087 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 11:43:53,088 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:53,105 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 11:43:53,106 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:53,386 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-22 11:43:53,387 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:53,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:53,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:53,412 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2020-12-22 11:43:53,413 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:204, output treesize:169 [2020-12-22 11:43:53,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:53,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:54,579 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-12-22 11:43:54,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:54,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,178 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-22 11:43:55,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,384 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,386 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,647 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:55,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:55,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:56,676 WARN L197 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-22 11:43:56,718 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 9, 1] term [2020-12-22 11:43:56,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:56,723 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 8, 1] term [2020-12-22 11:43:56,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:56,819 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:56,819 INFO L382 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 62 [2020-12-22 11:43:56,822 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-22 11:43:56,822 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:56,826 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:57,029 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 11:43:57,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:57,116 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:57,116 INFO L382 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 70 [2020-12-22 11:43:57,121 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 11:43:57,121 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:43:57,124 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:57,336 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-22 11:43:57,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:57,348 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-22 11:43:57,348 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:171, output treesize:129 [2020-12-22 11:43:57,637 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-22 11:43:57,678 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 1] term [2020-12-22 11:43:57,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:57,789 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:57,790 INFO L382 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 62 [2020-12-22 11:43:57,793 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-22 11:43:57,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:57,796 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:58,073 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-22 11:43:58,074 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:58,199 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-22 11:43:58,200 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:58,201 INFO L382 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 70 [2020-12-22 11:43:58,206 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 11:43:58,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:43:58,211 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:58,453 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-22 11:43:58,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:58,465 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-22 11:43:58,465 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:157, output treesize:115 [2020-12-22 11:43:58,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:58,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:59,460 WARN L197 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-22 11:43:59,469 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 1] term [2020-12-22 11:43:59,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:59,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:59,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:59,737 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-22 11:43:59,738 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:59,738 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 30 treesize of output 92 [2020-12-22 11:43:59,742 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:59,742 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:59,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:59,745 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:59,750 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:59,901 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:59,902 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 68 [2020-12-22 11:43:59,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:59,906 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:59,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:59,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:59,921 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:00,314 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-12-22 11:44:00,315 INFO L625 ElimStorePlain]: treesize reduction 19, result has 89.2 percent of original size [2020-12-22 11:44:00,389 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:00,389 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 69 [2020-12-22 11:44:00,393 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-22 11:44:00,394 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:44:00,397 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:00,578 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 11:44:00,578 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:00,649 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:00,650 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 65 [2020-12-22 11:44:00,652 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-22 11:44:00,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:00,655 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:00,823 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-22 11:44:00,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:00,847 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-22 11:44:00,847 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 11 variables, input treesize:167, output treesize:59 [2020-12-22 11:44:01,088 INFO L382 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 33 treesize of output 17 [2020-12-22 11:44:01,090 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:01,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:01,130 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:44:01,130 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:21 [2020-12-22 11:44:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:44:01,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210013211] [2020-12-22 11:44:01,595 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:44:01,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407326049] [2020-12-22 11:44:01,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:44:01,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-22 11:44:01,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917303828] [2020-12-22 11:44:01,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-22 11:44:01,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:44:01,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-22 11:44:01,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:44:01,598 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 17 states. [2020-12-22 11:44:17,614 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-22 11:44:18,409 WARN L197 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2020-12-22 11:44:19,301 WARN L197 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2020-12-22 11:44:20,906 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-22 11:44:21,824 WARN L197 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-22 11:44:22,749 WARN L197 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-22 11:44:23,346 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-22 11:44:23,535 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-22 11:44:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:44:24,714 INFO L93 Difference]: Finished difference Result 235 states and 261 transitions. [2020-12-22 11:44:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 11:44:24,717 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 69 [2020-12-22 11:44:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:44:24,719 INFO L225 Difference]: With dead ends: 235 [2020-12-22 11:44:24,719 INFO L226 Difference]: Without dead ends: 161 [2020-12-22 11:44:24,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2020-12-22 11:44:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-12-22 11:44:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 144. [2020-12-22 11:44:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-22 11:44:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 159 transitions. [2020-12-22 11:44:24,734 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 159 transitions. Word has length 69 [2020-12-22 11:44:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:44:24,734 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 159 transitions. [2020-12-22 11:44:24,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-22 11:44:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 159 transitions. [2020-12-22 11:44:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 11:44:24,735 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:44:24,736 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:44:24,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:24,948 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:44:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:44:24,949 INFO L82 PathProgramCache]: Analyzing trace with hash 504778823, now seen corresponding path program 1 times [2020-12-22 11:44:24,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:44:24,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417466480] [2020-12-22 11:44:24,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:44:25,082 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:44:25,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320214685] [2020-12-22 11:44:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:44:26,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 11:44:26,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:44:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:44:26,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417466480] [2020-12-22 11:44:26,450 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:44:26,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320214685] [2020-12-22 11:44:26,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:44:26,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:44:26,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916871450] [2020-12-22 11:44:26,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:44:26,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:44:26,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:44:26,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:44:26,453 INFO L87 Difference]: Start difference. First operand 144 states and 159 transitions. Second operand 3 states. [2020-12-22 11:44:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:44:26,486 INFO L93 Difference]: Finished difference Result 194 states and 213 transitions. [2020-12-22 11:44:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:44:26,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-22 11:44:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:44:26,489 INFO L225 Difference]: With dead ends: 194 [2020-12-22 11:44:26,489 INFO L226 Difference]: Without dead ends: 145 [2020-12-22 11:44:26,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:44:26,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-12-22 11:44:26,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-12-22 11:44:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-12-22 11:44:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 160 transitions. [2020-12-22 11:44:26,502 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 160 transitions. Word has length 82 [2020-12-22 11:44:26,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:44:26,502 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 160 transitions. [2020-12-22 11:44:26,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:44:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 160 transitions. [2020-12-22 11:44:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 11:44:26,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:44:26,503 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:44:26,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-22 11:44:26,717 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:44:26,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:44:26,718 INFO L82 PathProgramCache]: Analyzing trace with hash -2015181111, now seen corresponding path program 1 times [2020-12-22 11:44:26,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:44:26,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215956721] [2020-12-22 11:44:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:44:26,816 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:44:26,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014538627] [2020-12-22 11:44:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:44:28,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 2745 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-22 11:44:28,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:44:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:44:28,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215956721] [2020-12-22 11:44:28,588 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:44:28,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014538627] [2020-12-22 11:44:28,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:44:28,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 11:44:28,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613532978] [2020-12-22 11:44:28,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:44:28,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:44:28,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:44:28,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:44:28,590 INFO L87 Difference]: Start difference. First operand 145 states and 160 transitions. Second operand 9 states. [2020-12-22 11:44:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:44:29,664 INFO L93 Difference]: Finished difference Result 247 states and 271 transitions. [2020-12-22 11:44:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 11:44:29,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-12-22 11:44:29,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:44:29,667 INFO L225 Difference]: With dead ends: 247 [2020-12-22 11:44:29,667 INFO L226 Difference]: Without dead ends: 168 [2020-12-22 11:44:29,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:44:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-12-22 11:44:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 143. [2020-12-22 11:44:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-12-22 11:44:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 156 transitions. [2020-12-22 11:44:29,682 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 156 transitions. Word has length 82 [2020-12-22 11:44:29,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:44:29,683 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 156 transitions. [2020-12-22 11:44:29,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:44:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2020-12-22 11:44:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 11:44:29,684 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:44:29,684 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:44:29,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:29,899 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:44:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:44:29,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1896593526, now seen corresponding path program 1 times [2020-12-22 11:44:29,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:44:29,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46160070] [2020-12-22 11:44:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:44:30,008 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:44:30,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1308780235] [2020-12-22 11:44:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:44:31,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 2791 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-22 11:44:31,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:44:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:44:31,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46160070] [2020-12-22 11:44:31,477 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:44:31,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308780235] [2020-12-22 11:44:31,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:44:31,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:44:31,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853850184] [2020-12-22 11:44:31,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:44:31,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:44:31,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:44:31,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:44:31,479 INFO L87 Difference]: Start difference. First operand 143 states and 156 transitions. Second operand 5 states. [2020-12-22 11:44:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:44:31,724 INFO L93 Difference]: Finished difference Result 143 states and 156 transitions. [2020-12-22 11:44:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:44:31,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-22 11:44:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:44:31,727 INFO L225 Difference]: With dead ends: 143 [2020-12-22 11:44:31,727 INFO L226 Difference]: Without dead ends: 141 [2020-12-22 11:44:31,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 11:44:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-12-22 11:44:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-12-22 11:44:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-12-22 11:44:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 154 transitions. [2020-12-22 11:44:31,741 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 154 transitions. Word has length 85 [2020-12-22 11:44:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:44:31,742 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 154 transitions. [2020-12-22 11:44:31,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:44:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2020-12-22 11:44:31,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-22 11:44:31,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:44:31,743 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:44:31,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:31,956 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:44:31,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:44:31,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1560379032, now seen corresponding path program 1 times [2020-12-22 11:44:31,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:44:31,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320622205] [2020-12-22 11:44:31,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:44:32,055 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:44:32,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774904585] [2020-12-22 11:44:32,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:44:35,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 149 conjunts are in the unsatisfiable core [2020-12-22 11:44:35,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:44:35,993 INFO L382 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 6 treesize of output 5 [2020-12-22 11:44:35,995 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:36,073 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:36,075 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:44:36,075 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2020-12-22 11:44:37,166 WARN L197 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-12-22 11:44:37,167 INFO L348 Elim1Store]: treesize reduction 45, result has 71.3 percent of original size [2020-12-22 11:44:37,168 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 45 treesize of output 141 [2020-12-22 11:44:37,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:37,181 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:37,190 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:37,539 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2020-12-22 11:44:37,541 INFO L625 ElimStorePlain]: treesize reduction 12, result has 78.9 percent of original size [2020-12-22 11:44:37,544 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 11:44:37,545 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:45 [2020-12-22 11:44:37,749 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-22 11:44:38,856 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-12-22 11:44:38,858 INFO L348 Elim1Store]: treesize reduction 24, result has 82.0 percent of original size [2020-12-22 11:44:38,859 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 32 treesize of output 129 [2020-12-22 11:44:38,868 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:39,234 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-12-22 11:44:39,235 INFO L625 ElimStorePlain]: treesize reduction 26, result has 65.8 percent of original size [2020-12-22 11:44:39,240 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:44:39,241 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:50 [2020-12-22 11:44:39,560 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-22 11:44:39,562 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:39,563 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 71 [2020-12-22 11:44:39,568 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:39,908 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-22 11:44:39,909 INFO L625 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2020-12-22 11:44:39,913 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:44:39,914 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:41 [2020-12-22 11:44:40,104 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-22 11:44:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:40,717 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-22 11:44:40,719 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:40,720 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 112 [2020-12-22 11:44:40,726 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:41,401 WARN L197 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-22 11:44:41,403 INFO L625 ElimStorePlain]: treesize reduction 42, result has 61.8 percent of original size [2020-12-22 11:44:41,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,424 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:44:41,425 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:68 [2020-12-22 11:44:41,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,727 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-22 11:44:41,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:41,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:44:41,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:44:41,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 11:44:41,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:41,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:44:41,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 11:44:41,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:44:41,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:44:41,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:41,823 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-22 11:44:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:42,230 INFO L244 Elim1Store]: Index analysis took 350 ms [2020-12-22 11:44:42,601 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-22 11:44:42,603 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:42,604 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 95 [2020-12-22 11:44:42,611 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:42,844 INFO L244 Elim1Store]: Index analysis took 198 ms [2020-12-22 11:44:42,930 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:42,931 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 41 [2020-12-22 11:44:42,938 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:43,062 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:43,063 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 41 [2020-12-22 11:44:43,072 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:44,555 WARN L197 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-22 11:44:44,556 INFO L625 ElimStorePlain]: treesize reduction 70, result has 72.7 percent of original size [2020-12-22 11:44:44,590 INFO L382 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 [2020-12-22 11:44:44,592 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:44,619 INFO L382 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 [2020-12-22 11:44:44,620 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:44,658 INFO L382 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 [2020-12-22 11:44:44,660 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:45,221 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-22 11:44:45,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:45,239 INFO L382 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 [2020-12-22 11:44:45,241 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:45,259 INFO L382 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 [2020-12-22 11:44:45,260 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:45,277 INFO L382 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 [2020-12-22 11:44:45,278 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:45,610 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-22 11:44:45,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:45,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:45,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:45,626 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2020-12-22 11:44:45,627 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:228, output treesize:169 [2020-12-22 11:44:45,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:45,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:46,791 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-12-22 11:44:46,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:46,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:47,521 WARN L197 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-12-22 11:44:47,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:47,646 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:47,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:47,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:47,857 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:47,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:48,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:48,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:48,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:48,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:48,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:48,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:48,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:48,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:44:48,926 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-12-22 11:44:48,969 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 11, 1] term [2020-12-22 11:44:48,970 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:48,973 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:48,978 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:48,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:48,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:48,998 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 11, 1] term [2020-12-22 11:44:48,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:49,042 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 48 [2020-12-22 11:44:49,045 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:49,382 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:44:49,383 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:49,403 INFO L382 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 48 [2020-12-22 11:44:49,405 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:49,691 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 11:44:49,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:49,709 INFO L382 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2020-12-22 11:44:49,710 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:49,986 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-22 11:44:49,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:50,009 INFO L382 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 45 [2020-12-22 11:44:50,012 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:50,303 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-22 11:44:50,304 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:50,320 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-22 11:44:50,320 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:243, output treesize:143 [2020-12-22 11:44:50,683 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-22 11:44:51,147 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-22 11:44:51,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:51,166 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:51,173 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 10, 1] term [2020-12-22 11:44:51,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:51,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:51,217 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 48 [2020-12-22 11:44:51,219 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:51,538 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-22 11:44:51,539 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:51,559 INFO L382 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2020-12-22 11:44:51,562 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:51,855 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-22 11:44:51,856 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:51,882 INFO L382 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2020-12-22 11:44:51,884 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:52,149 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-22 11:44:52,150 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:52,166 INFO L382 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2020-12-22 11:44:52,169 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:52,412 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-22 11:44:52,412 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:52,423 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-22 11:44:52,424 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:221, output treesize:149 [2020-12-22 11:44:52,749 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-22 11:44:53,134 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-22 11:44:53,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:53,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:53,155 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 10, 1] term [2020-12-22 11:44:53,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:53,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:53,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:53,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:53,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:53,401 INFO L244 Elim1Store]: Index analysis took 145 ms [2020-12-22 11:44:53,505 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-22 11:44:53,505 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:53,505 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 30 treesize of output 80 [2020-12-22 11:44:53,507 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:53,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:53,641 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:53,641 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 30 treesize of output 56 [2020-12-22 11:44:53,649 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:53,935 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-22 11:44:53,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:53,940 INFO L443 ElimStorePlain]: Different costs {2=[v_prenex_26, |v_#memory_$Pointer$.base_58|], 6=[|v_#memory_$Pointer$.offset_53|, v_prenex_27]} [2020-12-22 11:44:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:53,962 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 64 [2020-12-22 11:44:53,968 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:54,275 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 11:44:54,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:54,294 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 64 [2020-12-22 11:44:54,299 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:54,637 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-22 11:44:54,638 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:54,718 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:54,718 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 70 [2020-12-22 11:44:54,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:54,731 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:55,030 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-22 11:44:55,031 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:55,104 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:55,104 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 70 [2020-12-22 11:44:55,106 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:55,114 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:55,404 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-22 11:44:55,405 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:55,420 INFO L547 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:44:55,420 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 15 variables, input treesize:273, output treesize:50 [2020-12-22 11:44:55,716 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_59|], 6=[|v_#memory_$Pointer$.offset_54|]} [2020-12-22 11:44:55,726 INFO L382 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 51 treesize of output 31 [2020-12-22 11:44:55,728 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:55,796 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:55,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:55,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:55,819 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2020-12-22 11:44:55,821 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:55,875 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:55,879 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:44:55,880 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:80, output treesize:31 [2020-12-22 11:44:56,548 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2020-12-22 11:44:56,550 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:56,584 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:56,585 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-22 11:44:56,586 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:27 [2020-12-22 11:44:56,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:56,773 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:56,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:56,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:56,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:56,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:44:56,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:44:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:56,842 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:44:56,842 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 23 [2020-12-22 11:44:56,844 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:44:56,855 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-22 11:44:56,861 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:44:56,917 INFO L625 ElimStorePlain]: treesize reduction 12, result has 36.8 percent of original size [2020-12-22 11:44:56,921 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:44:56,921 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:57, output treesize:1 [2020-12-22 11:44:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:44:57,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320622205] [2020-12-22 11:44:57,128 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:44:57,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774904585] [2020-12-22 11:44:57,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:44:57,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-12-22 11:44:57,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172487018] [2020-12-22 11:44:57,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-22 11:44:57,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:44:57,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-22 11:44:57,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:44:57,130 INFO L87 Difference]: Start difference. First operand 141 states and 154 transitions. Second operand 21 states. [2020-12-22 11:45:19,525 WARN L197 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-12-22 11:45:20,244 WARN L197 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-12-22 11:45:21,496 WARN L197 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-12-22 11:45:22,475 WARN L197 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-12-22 11:45:23,292 WARN L197 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-22 11:45:24,126 WARN L197 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-22 11:45:25,002 WARN L197 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-22 11:45:25,808 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-22 11:45:26,535 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-22 11:45:27,106 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 11:45:27,489 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-22 11:45:29,264 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 11:45:29,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:45:29,772 INFO L93 Difference]: Finished difference Result 310 states and 333 transitions. [2020-12-22 11:45:29,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-22 11:45:29,775 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2020-12-22 11:45:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:45:29,777 INFO L225 Difference]: With dead ends: 310 [2020-12-22 11:45:29,778 INFO L226 Difference]: Without dead ends: 263 [2020-12-22 11:45:29,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 59 SyntacticMatches, 8 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=196, Invalid=1136, Unknown=0, NotChecked=0, Total=1332 [2020-12-22 11:45:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-12-22 11:45:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 180. [2020-12-22 11:45:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-12-22 11:45:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2020-12-22 11:45:29,798 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 87 [2020-12-22 11:45:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:45:29,799 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2020-12-22 11:45:29,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-22 11:45:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2020-12-22 11:45:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-22 11:45:29,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:45:29,800 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:45:30,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 11:45:30,015 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:45:30,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:45:30,016 INFO L82 PathProgramCache]: Analyzing trace with hash -378783014, now seen corresponding path program 1 times [2020-12-22 11:45:30,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:45:30,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140111408] [2020-12-22 11:45:30,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:45:30,110 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:45:30,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785117389] [2020-12-22 11:45:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true