/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_clear_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:42:57,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:42:57,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:42:57,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:42:57,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:42:57,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:42:57,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:42:57,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:42:57,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:42:57,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:42:57,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:42:57,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:42:57,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:42:57,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:42:57,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:42:57,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:42:57,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:42:57,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:42:57,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:42:57,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:42:57,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:42:57,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:42:57,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:42:57,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:42:57,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 11:42:57,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 11:42:57,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 11:42:57,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 11:42:57,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 11:42:57,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 11:42:57,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:42:57,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:42:57,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:42:57,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:42:57,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:42:57,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:42:57,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:42:57,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:42:57,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:42:57,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:42:57,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:42:57,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:42:57,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:42:57,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:42:57,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:42:57,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:42:57,349 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:42:57,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:42:57,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:42:57,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:42:57,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:42:57,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:42:57,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:42:57,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:42:57,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:42:57,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:42:57,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:42:57,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:42:57,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:42:57,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:42:57,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:42:57,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:42:57,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:42:57,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:42:57,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:42:57,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:42:57,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:42:57,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:42:57,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:42:57,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:42:57,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:42:57,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:42:57,811 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:42:57,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2020-12-22 11:42:57,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4313d9525/7d943a4001b542a79d400c1d73911401/FLAGa424c8471 [2020-12-22 11:42:59,077 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:42:59,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2020-12-22 11:42:59,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4313d9525/7d943a4001b542a79d400c1d73911401/FLAGa424c8471 [2020-12-22 11:42:59,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4313d9525/7d943a4001b542a79d400c1d73911401 [2020-12-22 11:42:59,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:42:59,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:42:59,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:42:59,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:42:59,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:42:59,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:42:59" (1/1) ... [2020-12-22 11:42:59,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39188ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:42:59, skipping insertion in model container [2020-12-22 11:42:59,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:42:59" (1/1) ... [2020-12-22 11:42:59,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:42:59,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:43:00,031 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_clear_harness.i[4494,4507] [2020-12-22 11:43:00,039 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_clear_harness.i[4554,4567] [2020-12-22 11:43:00,068 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:43:00,074 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:43:01,168 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,169 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,170 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,171 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,172 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,187 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,188 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,190 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,191 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,193 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,194 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,195 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,196 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:01,704 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:43:01,705 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:43:01,707 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:43:01,708 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:43:01,710 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:43:01,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:43:01,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:43:01,712 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:43:01,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:43:01,714 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:43:01,921 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:43:02,270 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,271 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,296 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,297 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,305 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,305 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,322 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,324 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,324 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,325 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,325 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,326 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,326 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:43:02,417 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:43:02,449 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_clear_harness.i[4494,4507] [2020-12-22 11:43:02,450 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_clear_harness.i[4554,4567] [2020-12-22 11:43:02,453 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:43:02,454 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:43:02,514 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,514 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,515 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,515 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,517 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,573 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,575 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,576 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,578 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,579 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,580 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,580 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,580 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,624 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:43:02,625 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:43:02,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:43:02,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:43:02,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:43:02,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:43:02,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:43:02,629 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:43:02,630 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:43:02,630 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:43:02,694 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:43:02,800 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,801 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,811 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,812 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,816 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,816 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,827 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,828 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,829 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,829 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,830 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,830 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,831 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:43:02,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:43:04,000 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:43:04,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04 WrapperNode [2020-12-22 11:43:04,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:43:04,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:43:04,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:43:04,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:43:04,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:43:04,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:43:04,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:43:04,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:43:04,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (1/1) ... [2020-12-22 11:43:04,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:43:04,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:43:04,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:43:04,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:43:04,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (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 11:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-22 11:43:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 11:43:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 11:43:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 11:43:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:43:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:43:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 11:43:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:43:13,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:43:13,885 INFO L299 CfgBuilder]: Removed 126 assume(true) statements. [2020-12-22 11:43:13,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:43:13 BoogieIcfgContainer [2020-12-22 11:43:13,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:43:13,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:43:13,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:43:13,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:43:13,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:42:59" (1/3) ... [2020-12-22 11:43:13,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10954377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:43:13, skipping insertion in model container [2020-12-22 11:43:13,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:43:04" (2/3) ... [2020-12-22 11:43:13,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10954377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:43:13, skipping insertion in model container [2020-12-22 11:43:13,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:43:13" (3/3) ... [2020-12-22 11:43:13,897 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clear_harness.i [2020-12-22 11:43:13,904 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:43:13,910 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-22 11:43:13,931 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-22 11:43:13,962 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:43:13,962 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:43:13,962 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:43:13,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:43:13,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:43:13,963 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:43:13,963 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:43:13,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:43:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-12-22 11:43:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 11:43:13,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:13,992 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 11:43:13,992 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:13,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:13,999 INFO L82 PathProgramCache]: Analyzing trace with hash -662474665, now seen corresponding path program 1 times [2020-12-22 11:43:14,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:14,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320592660] [2020-12-22 11:43:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:14,838 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 11:43:14,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320592660] [2020-12-22 11:43:14,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:14,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:43:14,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984110494] [2020-12-22 11:43:14,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 11:43:14,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:14,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 11:43:14,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 11:43:14,883 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-12-22 11:43:14,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:14,927 INFO L93 Difference]: Finished difference Result 256 states and 341 transitions. [2020-12-22 11:43:14,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 11:43:14,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 57 [2020-12-22 11:43:14,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:14,942 INFO L225 Difference]: With dead ends: 256 [2020-12-22 11:43:14,942 INFO L226 Difference]: Without dead ends: 124 [2020-12-22 11:43:14,947 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 11:43:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-12-22 11:43:14,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-12-22 11:43:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 11:43:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 148 transitions. [2020-12-22 11:43:15,000 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 148 transitions. Word has length 57 [2020-12-22 11:43:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:15,000 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 148 transitions. [2020-12-22 11:43:15,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 11:43:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2020-12-22 11:43:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 11:43:15,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:15,003 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 11:43:15,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:43:15,004 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:15,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:15,005 INFO L82 PathProgramCache]: Analyzing trace with hash -683098601, now seen corresponding path program 1 times [2020-12-22 11:43:15,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:15,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512906674] [2020-12-22 11:43:15,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:15,142 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:15,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134702731] [2020-12-22 11:43:15,143 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 11:43:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:17,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 11:43:17,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:17,300 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 11:43:17,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512906674] [2020-12-22 11:43:17,301 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:17,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134702731] [2020-12-22 11:43:17,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:17,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:43:17,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966835256] [2020-12-22 11:43:17,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:43:17,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:17,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:43:17,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:43:17,306 INFO L87 Difference]: Start difference. First operand 124 states and 148 transitions. Second operand 3 states. [2020-12-22 11:43:17,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:17,369 INFO L93 Difference]: Finished difference Result 173 states and 204 transitions. [2020-12-22 11:43:17,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:43:17,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-22 11:43:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:17,378 INFO L225 Difference]: With dead ends: 173 [2020-12-22 11:43:17,379 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 11:43:17,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 11:43:17,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 11:43:17,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-22 11:43:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-22 11:43:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2020-12-22 11:43:17,411 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 57 [2020-12-22 11:43:17,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:17,411 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2020-12-22 11:43:17,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:43:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2020-12-22 11:43:17,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 11:43:17,420 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:17,420 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 11:43:17,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-22 11:43:17,622 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:17,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1091908761, now seen corresponding path program 1 times [2020-12-22 11:43:17,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:17,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544043654] [2020-12-22 11:43:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:17,753 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:17,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953767374] [2020-12-22 11:43:17,754 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 11:43:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:18,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 2503 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-22 11:43:19,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:19,193 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 11:43:19,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544043654] [2020-12-22 11:43:19,194 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:19,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953767374] [2020-12-22 11:43:19,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:19,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:43:19,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901851215] [2020-12-22 11:43:19,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:43:19,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:43:19,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:43:19,197 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 5 states. [2020-12-22 11:43:19,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:19,335 INFO L93 Difference]: Finished difference Result 125 states and 149 transitions. [2020-12-22 11:43:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:43:19,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-22 11:43:19,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:19,337 INFO L225 Difference]: With dead ends: 125 [2020-12-22 11:43:19,337 INFO L226 Difference]: Without dead ends: 123 [2020-12-22 11:43:19,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 11:43:19,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-22 11:43:19,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-12-22 11:43:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-22 11:43:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 147 transitions. [2020-12-22 11:43:19,350 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 147 transitions. Word has length 57 [2020-12-22 11:43:19,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:19,351 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 147 transitions. [2020-12-22 11:43:19,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:43:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2020-12-22 11:43:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 11:43:19,353 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:19,353 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] [2020-12-22 11:43:19,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:19,568 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:19,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1352431387, now seen corresponding path program 1 times [2020-12-22 11:43:19,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:19,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208378965] [2020-12-22 11:43:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:19,701 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:19,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271177439] [2020-12-22 11:43:19,702 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 11:43:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:20,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 2510 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-22 11:43:20,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:20,979 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 11:43:20,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208378965] [2020-12-22 11:43:20,979 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:20,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271177439] [2020-12-22 11:43:20,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:20,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 11:43:20,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774537527] [2020-12-22 11:43:20,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 11:43:20,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:20,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 11:43:20,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 11:43:20,982 INFO L87 Difference]: Start difference. First operand 123 states and 147 transitions. Second operand 6 states. [2020-12-22 11:43:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:21,305 INFO L93 Difference]: Finished difference Result 234 states and 274 transitions. [2020-12-22 11:43:21,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 11:43:21,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-12-22 11:43:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:21,309 INFO L225 Difference]: With dead ends: 234 [2020-12-22 11:43:21,309 INFO L226 Difference]: Without dead ends: 143 [2020-12-22 11:43:21,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 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 11:43:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-12-22 11:43:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 123. [2020-12-22 11:43:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-22 11:43:21,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2020-12-22 11:43:21,322 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 59 [2020-12-22 11:43:21,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:21,324 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2020-12-22 11:43:21,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 11:43:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-12-22 11:43:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 11:43:21,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:21,326 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 11:43:21,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:21,534 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:21,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:21,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1755526949, now seen corresponding path program 1 times [2020-12-22 11:43:21,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:21,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631113727] [2020-12-22 11:43:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:21,660 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:21,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839436916] [2020-12-22 11:43:21,661 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 11:43:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:22,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 2552 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-22 11:43:22,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:22,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:22,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:22,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:22,973 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:23,020 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 11:43:23,022 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,028 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 11:43:23,030 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,052 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:23,058 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 11:43:23,060 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,064 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 11:43:23,066 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,077 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:23,078 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 11:43:23,078 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-12-22 11:43:23,132 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 11:43:23,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631113727] [2020-12-22 11:43:23,133 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:23,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839436916] [2020-12-22 11:43:23,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:23,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:43:23,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44793996] [2020-12-22 11:43:23,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:43:23,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:23,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:43:23,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:43:23,136 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 5 states. [2020-12-22 11:43:27,534 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-22 11:43:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:28,119 INFO L93 Difference]: Finished difference Result 329 states and 388 transitions. [2020-12-22 11:43:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:43:28,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-12-22 11:43:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:28,122 INFO L225 Difference]: With dead ends: 329 [2020-12-22 11:43:28,123 INFO L226 Difference]: Without dead ends: 240 [2020-12-22 11:43:28,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 11:43:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-12-22 11:43:28,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 135. [2020-12-22 11:43:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 11:43:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2020-12-22 11:43:28,136 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 63 [2020-12-22 11:43:28,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:28,137 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2020-12-22 11:43:28,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:43:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2020-12-22 11:43:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 11:43:28,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:28,138 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 11:43:28,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:28,352 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:28,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:28,353 INFO L82 PathProgramCache]: Analyzing trace with hash -352097637, now seen corresponding path program 1 times [2020-12-22 11:43:28,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:28,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148112164] [2020-12-22 11:43:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:28,451 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:28,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032414430] [2020-12-22 11:43:28,452 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 11:43:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:29,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 11:43:29,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:29,786 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 11:43:29,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148112164] [2020-12-22 11:43:29,787 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:29,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032414430] [2020-12-22 11:43:29,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:29,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:43:29,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042806070] [2020-12-22 11:43:29,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:43:29,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:29,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:43:29,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:43:29,791 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand 4 states. [2020-12-22 11:43:30,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:30,004 INFO L93 Difference]: Finished difference Result 235 states and 274 transitions. [2020-12-22 11:43:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:43:30,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-12-22 11:43:30,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:30,006 INFO L225 Difference]: With dead ends: 235 [2020-12-22 11:43:30,006 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 11:43:30,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 11:43:30,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 11:43:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2020-12-22 11:43:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-12-22 11:43:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 143 transitions. [2020-12-22 11:43:30,022 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 143 transitions. Word has length 63 [2020-12-22 11:43:30,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:30,022 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 143 transitions. [2020-12-22 11:43:30,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:43:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 143 transitions. [2020-12-22 11:43:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 11:43:30,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:30,025 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] [2020-12-22 11:43:30,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 11:43:30,241 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:30,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:30,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1312374044, now seen corresponding path program 1 times [2020-12-22 11:43:30,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:30,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21989974] [2020-12-22 11:43:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:30,353 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:30,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044842633] [2020-12-22 11:43:30,355 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 11:43:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:31,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-22 11:43:31,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:31,703 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:31,750 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 11:43:31,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21989974] [2020-12-22 11:43:31,751 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:31,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044842633] [2020-12-22 11:43:31,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:31,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:43:31,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667436841] [2020-12-22 11:43:31,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:43:31,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:31,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:43:31,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:43:31,753 INFO L87 Difference]: Start difference. First operand 127 states and 143 transitions. Second operand 4 states. [2020-12-22 11:43:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:43:31,843 INFO L93 Difference]: Finished difference Result 232 states and 260 transitions. [2020-12-22 11:43:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:43:31,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2020-12-22 11:43:31,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:43:31,845 INFO L225 Difference]: With dead ends: 232 [2020-12-22 11:43:31,845 INFO L226 Difference]: Without dead ends: 127 [2020-12-22 11:43:31,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 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 11:43:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-12-22 11:43:31,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-12-22 11:43:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-12-22 11:43:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 141 transitions. [2020-12-22 11:43:31,855 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 141 transitions. Word has length 65 [2020-12-22 11:43:31,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:43:31,855 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 141 transitions. [2020-12-22 11:43:31,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:43:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2020-12-22 11:43:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-22 11:43:31,857 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:43:31,857 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] [2020-12-22 11:43:32,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:43:32,071 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:43:32,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:43:32,072 INFO L82 PathProgramCache]: Analyzing trace with hash -108050539, now seen corresponding path program 1 times [2020-12-22 11:43:32,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:43:32,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562093355] [2020-12-22 11:43:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:43:32,184 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:43:32,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278443128] [2020-12-22 11:43:32,185 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 11:43:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:36,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 143 conjunts are in the unsatisfiable core [2020-12-22 11:43:36,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:36,593 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 11:43:36,597 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:36,616 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:36,618 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:43:36,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2020-12-22 11:43:36,951 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-12-22 11:43:36,953 INFO L348 Elim1Store]: treesize reduction 45, result has 71.3 percent of original size [2020-12-22 11:43:36,954 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 11:43:36,963 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:36,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:36,971 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:37,071 INFO L625 ElimStorePlain]: treesize reduction 12, result has 80.0 percent of original size [2020-12-22 11:43:37,073 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 11:43:37,073 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:48 [2020-12-22 11:43:37,449 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-12-22 11:43:37,450 INFO L348 Elim1Store]: treesize reduction 24, result has 82.0 percent of original size [2020-12-22 11:43:37,451 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 11:43:37,459 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:37,574 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-12-22 11:43:37,575 INFO L625 ElimStorePlain]: treesize reduction 26, result has 65.8 percent of original size [2020-12-22 11:43:37,579 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 11:43:37,580 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:50 [2020-12-22 11:43:37,791 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:37,792 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 11:43:37,799 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:37,887 INFO L625 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2020-12-22 11:43:37,892 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 11:43:37,892 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:41 [2020-12-22 11:43:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:38,151 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-22 11:43:38,152 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:38,152 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 11:43:38,158 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:38,368 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-12-22 11:43:38,369 INFO L625 ElimStorePlain]: treesize reduction 42, result has 62.8 percent of original size [2020-12-22 11:43:38,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:38,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:38,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:43:38,386 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:38,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:43:38,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:38,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:38,411 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:38,411 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:56, output treesize:71 [2020-12-22 11:43:38,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:38,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:38,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:43:38,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:38,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 11:43:38,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:38,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 11:43:38,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:38,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:38,553 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:38,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:38,562 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:38,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 11:43:38,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:38,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:38,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-22 11:43:38,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:38,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 11:43:38,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:38,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-22 11:43:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:38,717 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:38,718 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 11:43:38,722 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:38,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:38,881 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:38,882 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 11:43:38,891 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:38,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:38,931 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:38,932 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 11:43:38,936 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,452 WARN L197 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-12-22 11:43:39,452 INFO L625 ElimStorePlain]: treesize reduction 78, result has 71.4 percent of original size [2020-12-22 11:43:39,466 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 11:43:39,467 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,479 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 11:43:39,480 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,491 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 11:43:39,492 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,658 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-22 11:43:39,658 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:39,670 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 11:43:39,671 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,685 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 11:43:39,686 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,697 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 11:43:39,698 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:39,873 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-22 11:43:39,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:39,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:39,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:39,888 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:39,905 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2020-12-22 11:43:39,905 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 8 variables, input treesize:237, output treesize:162 [2020-12-22 11:43:39,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:39,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:39,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:40,838 WARN L197 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2020-12-22 11:43:40,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:40,856 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:40,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:41,405 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-12-22 11:43:41,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:41,525 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:41,527 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:41,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:41,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:41,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:41,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:41,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:41,842 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:42,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:42,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:42,009 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:42,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:42,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:42,203 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:42,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:42,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:42,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:42,536 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:42,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:42,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-22 11:43:42,954 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-12-22 11:43:43,005 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 9, 1] term [2020-12-22 11:43:43,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:43,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:43,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:43,031 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:43,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:43,048 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 9, 1] term [2020-12-22 11:43:43,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:43,116 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:43,116 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 50 treesize of output 64 [2020-12-22 11:43:43,118 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-22 11:43:43,119 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:43,121 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-12-22 11:43:43,499 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2020-12-22 11:43:43,499 INFO L625 ElimStorePlain]: treesize reduction 62, result has 77.1 percent of original size [2020-12-22 11:43:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:43,517 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 29 treesize of output 24 [2020-12-22 11:43:43,518 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:43,679 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-22 11:43:43,682 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:43,723 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:43,724 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 50 treesize of output 64 [2020-12-22 11:43:43,728 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-22 11:43:43,728 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:43,730 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-12-22 11:43:44,072 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2020-12-22 11:43:44,073 INFO L625 ElimStorePlain]: treesize reduction 62, result has 75.7 percent of original size [2020-12-22 11:43:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:44,088 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 29 treesize of output 24 [2020-12-22 11:43:44,092 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:44,242 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-22 11:43:44,243 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:44,258 INFO L547 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-12-22 11:43:44,258 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 16 variables, input treesize:217, output treesize:133 [2020-12-22 11:43:44,572 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-22 11:43:44,896 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-22 11:43:44,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,917 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,926 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 9, 1] term [2020-12-22 11:43:44,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:44,963 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 11:43:44,965 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:45,138 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-22 11:43:45,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:45,152 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 44 [2020-12-22 11:43:45,159 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:45,315 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:43:45,316 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:45,339 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 11:43:45,342 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:45,485 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-22 11:43:45,486 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:45,499 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 11:43:45,500 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:45,633 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 11:43:45,634 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:45,646 INFO L547 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-12-22 11:43:45,646 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 14 variables, input treesize:211, output treesize:133 [2020-12-22 11:43:45,896 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-22 11:43:45,906 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,926 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,030 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:46,030 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 26 treesize of output 56 [2020-12-22 11:43:46,034 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,120 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:46,121 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 26 treesize of output 72 [2020-12-22 11:43:46,125 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,239 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-22 11:43:46,240 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:46,245 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2020-12-22 11:43:46,245 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:151, output treesize:95 [2020-12-22 11:43:46,434 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_44|], 6=[|v_#memory_$Pointer$.offset_44|]} [2020-12-22 11:43:46,446 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 11:43:46,448 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,480 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,491 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 11:43:46,494 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,520 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:46,523 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 11:43:46,523 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:80, output treesize:37 [2020-12-22 11:43:46,772 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 34 treesize of output 22 [2020-12-22 11:43:46,774 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,792 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:46,794 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 11:43:46,794 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:33 [2020-12-22 11:43:46,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:46,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:46,901 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:46,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:46,903 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:46,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,920 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 15 [2020-12-22 11:43:46,922 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:46,930 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2020-12-22 11:43:46,934 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:46,962 INFO L625 ElimStorePlain]: treesize reduction 12, result has 36.8 percent of original size [2020-12-22 11:43:46,964 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 11:43:46,965 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:69, output treesize:1 [2020-12-22 11:43:47,103 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 11:43:47,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562093355] [2020-12-22 11:43:47,104 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:43:47,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278443128] [2020-12-22 11:43:47,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:43:47,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-22 11:43:47,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282808570] [2020-12-22 11:43:47,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-22 11:43:47,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:43:47,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-22 11:43:47,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2020-12-22 11:43:47,107 INFO L87 Difference]: Start difference. First operand 127 states and 141 transitions. Second operand 19 states. [2020-12-22 11:44:01,037 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-12-22 11:44:01,479 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2020-12-22 11:44:02,235 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-22 11:44:02,891 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-12-22 11:44:03,519 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-12-22 11:44:04,161 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-22 11:44:04,989 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-22 11:44:05,190 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-22 11:44:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:44:08,849 INFO L93 Difference]: Finished difference Result 259 states and 287 transitions. [2020-12-22 11:44:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-22 11:44:08,851 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 70 [2020-12-22 11:44:08,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:44:08,853 INFO L225 Difference]: With dead ends: 259 [2020-12-22 11:44:08,853 INFO L226 Difference]: Without dead ends: 209 [2020-12-22 11:44:08,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=144, Invalid=786, Unknown=0, NotChecked=0, Total=930 [2020-12-22 11:44:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-12-22 11:44:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 149. [2020-12-22 11:44:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-12-22 11:44:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 164 transitions. [2020-12-22 11:44:08,869 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 164 transitions. Word has length 70 [2020-12-22 11:44:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:44:08,869 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 164 transitions. [2020-12-22 11:44:08,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-22 11:44:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 164 transitions. [2020-12-22 11:44:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-22 11:44:08,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:44:08,871 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] [2020-12-22 11:44:09,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:44:09,085 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:44:09,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:44:09,086 INFO L82 PathProgramCache]: Analyzing trace with hash -809650413, now seen corresponding path program 1 times [2020-12-22 11:44:09,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:44:09,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988216000] [2020-12-22 11:44:09,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:44:09,229 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:44:09,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102711708] [2020-12-22 11:44:09,230 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