/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_array_list_pop_back_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:39:51,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:39:51,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:39:51,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:39:51,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:39:51,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:39:51,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:39:51,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:39:51,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:39:51,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:39:51,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:39:51,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:39:51,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:39:51,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:39:51,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:39:51,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:39:51,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:39:51,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:39:51,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:39:51,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:39:51,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:39:51,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:39:51,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:39:51,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:39:51,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 11:39:51,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 11:39:51,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 11:39:51,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 11:39:51,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 11:39:51,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 11:39:51,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:39:51,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:39:51,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:39:51,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:39:51,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:39:51,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:39:51,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:39:51,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:39:51,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:39:51,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:39:51,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:39:51,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:39:52,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:39:52,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:39:52,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:39:52,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:39:52,051 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:39:52,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:39:52,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:39:52,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:39:52,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:39:52,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:39:52,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:39:52,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:39:52,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:39:52,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:39:52,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:39:52,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:39:52,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:39:52,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:39:52,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:39:52,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:39:52,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:39:52,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:39:52,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:39:52,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:39:52,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:39:52,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:39:52,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:39:52,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:39:52,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:39:52,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:39:52,533 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:39:52,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_pop_back_harness.i [2020-12-22 11:39:52,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fb38a37/7ee2d00c7c3f49e6a62be088b7cdb775/FLAGfc3132267 [2020-12-22 11:39:53,809 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:39:53,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_back_harness.i [2020-12-22 11:39:53,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fb38a37/7ee2d00c7c3f49e6a62be088b7cdb775/FLAGfc3132267 [2020-12-22 11:39:54,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fb38a37/7ee2d00c7c3f49e6a62be088b7cdb775 [2020-12-22 11:39:54,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:39:54,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:39:54,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:39:54,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:39:54,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:39:54,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:39:54" (1/1) ... [2020-12-22 11:39:54,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c53e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:54, skipping insertion in model container [2020-12-22 11:39:54,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:39:54" (1/1) ... [2020-12-22 11:39:54,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:39:54,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:39:54,591 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_array_list_pop_back_harness.i[4497,4510] [2020-12-22 11:39:54,600 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_array_list_pop_back_harness.i[4557,4570] [2020-12-22 11:39:54,630 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:39:54,649 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:39:55,749 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:39:55,904 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,904 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,906 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,910 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,912 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,937 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,938 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,941 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,941 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,943 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,944 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,945 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:55,948 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,376 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:39:56,377 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:39:56,378 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:39:56,379 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:39:56,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:39:56,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:39:56,382 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:39:56,383 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:39:56,383 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:39:56,384 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:39:56,557 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,575 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:39:56,665 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:39:56,681 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_array_list_pop_back_harness.i[4497,4510] [2020-12-22 11:39:56,682 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_array_list_pop_back_harness.i[4557,4570] [2020-12-22 11:39:56,684 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:39:56,685 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:39:56,719 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:39:56,736 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,737 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,737 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,738 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,739 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,746 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,747 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,748 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,749 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,750 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,751 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,751 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,751 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:39:56,797 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:39:56,798 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:39:56,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:39:56,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:39:56,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:39:56,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:39:56,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:39:56,803 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:39:56,803 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:39:56,860 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,867 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:39:56,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:39:58,026 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:39:58,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58 WrapperNode [2020-12-22 11:39:58,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:39:58,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:39:58,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:39:58,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:39:58,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:39:58,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:39:58,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:39:58,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:39:58,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (1/1) ... [2020-12-22 11:39:58,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:39:58,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:39:58,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:39:58,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:39:58,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (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 11:39:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:39:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 11:39:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 11:39:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 11:39:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:39:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:39:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:39:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-22 11:39:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 11:39:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 11:39:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:39:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:40:08,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:40:08,528 INFO L299 CfgBuilder]: Removed 205 assume(true) statements. [2020-12-22 11:40:08,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:40:08 BoogieIcfgContainer [2020-12-22 11:40:08,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:40:08,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:40:08,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:40:08,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:40:08,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:39:54" (1/3) ... [2020-12-22 11:40:08,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ada98e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:40:08, skipping insertion in model container [2020-12-22 11:40:08,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:39:58" (2/3) ... [2020-12-22 11:40:08,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ada98e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:40:08, skipping insertion in model container [2020-12-22 11:40:08,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:40:08" (3/3) ... [2020-12-22 11:40:08,540 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_back_harness.i [2020-12-22 11:40:08,547 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:40:08,564 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-12-22 11:40:08,585 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-12-22 11:40:08,617 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:40:08,617 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:40:08,617 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:40:08,617 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:40:08,618 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:40:08,618 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:40:08,618 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:40:08,618 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:40:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-12-22 11:40:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 11:40:08,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:40:08,656 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] [2020-12-22 11:40:08,657 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:40:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:40:08,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1102187548, now seen corresponding path program 1 times [2020-12-22 11:40:08,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:40:08,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776275679] [2020-12-22 11:40:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:40:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:40:09,448 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 11:40:09,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776275679] [2020-12-22 11:40:09,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:40:09,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:40:09,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944282397] [2020-12-22 11:40:09,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 11:40:09,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:40:09,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 11:40:09,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 11:40:09,481 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 2 states. [2020-12-22 11:40:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:40:09,552 INFO L93 Difference]: Finished difference Result 504 states and 675 transitions. [2020-12-22 11:40:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 11:40:09,554 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2020-12-22 11:40:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:40:09,576 INFO L225 Difference]: With dead ends: 504 [2020-12-22 11:40:09,576 INFO L226 Difference]: Without dead ends: 249 [2020-12-22 11:40:09,584 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 11:40:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-22 11:40:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2020-12-22 11:40:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-22 11:40:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 306 transitions. [2020-12-22 11:40:09,687 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 306 transitions. Word has length 33 [2020-12-22 11:40:09,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:40:09,688 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 306 transitions. [2020-12-22 11:40:09,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 11:40:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 306 transitions. [2020-12-22 11:40:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 11:40:09,693 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:40:09,694 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] [2020-12-22 11:40:09,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:40:09,699 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:40:09,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:40:09,702 INFO L82 PathProgramCache]: Analyzing trace with hash -977674992, now seen corresponding path program 1 times [2020-12-22 11:40:09,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:40:09,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447430018] [2020-12-22 11:40:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:40:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:40:10,148 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 11:40:10,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447430018] [2020-12-22 11:40:10,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:40:10,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:40:10,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270898485] [2020-12-22 11:40:10,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:40:10,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:40:10,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:40:10,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:40:10,153 INFO L87 Difference]: Start difference. First operand 249 states and 306 transitions. Second operand 3 states. [2020-12-22 11:40:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:40:10,223 INFO L93 Difference]: Finished difference Result 485 states and 597 transitions. [2020-12-22 11:40:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:40:10,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 11:40:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:40:10,227 INFO L225 Difference]: With dead ends: 485 [2020-12-22 11:40:10,228 INFO L226 Difference]: Without dead ends: 250 [2020-12-22 11:40:10,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:40:10,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-12-22 11:40:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2020-12-22 11:40:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-12-22 11:40:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 307 transitions. [2020-12-22 11:40:10,259 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 307 transitions. Word has length 33 [2020-12-22 11:40:10,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:40:10,260 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 307 transitions. [2020-12-22 11:40:10,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:40:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 307 transitions. [2020-12-22 11:40:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 11:40:10,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:40:10,264 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] [2020-12-22 11:40:10,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 11:40:10,264 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:40:10,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:40:10,268 INFO L82 PathProgramCache]: Analyzing trace with hash -468201902, now seen corresponding path program 1 times [2020-12-22 11:40:10,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:40:10,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138831952] [2020-12-22 11:40:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:40:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:40:10,662 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 11:40:10,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138831952] [2020-12-22 11:40:10,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:40:10,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:40:10,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195361188] [2020-12-22 11:40:10,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:40:10,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:40:10,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:40:10,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:40:10,667 INFO L87 Difference]: Start difference. First operand 250 states and 307 transitions. Second operand 4 states. [2020-12-22 11:40:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:40:11,079 INFO L93 Difference]: Finished difference Result 468 states and 574 transitions. [2020-12-22 11:40:11,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:40:11,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 11:40:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:40:11,082 INFO L225 Difference]: With dead ends: 468 [2020-12-22 11:40:11,082 INFO L226 Difference]: Without dead ends: 250 [2020-12-22 11:40:11,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 11:40:11,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-12-22 11:40:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2020-12-22 11:40:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-12-22 11:40:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 304 transitions. [2020-12-22 11:40:11,095 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 304 transitions. Word has length 33 [2020-12-22 11:40:11,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:40:11,096 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 304 transitions. [2020-12-22 11:40:11,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:40:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 304 transitions. [2020-12-22 11:40:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 11:40:11,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:40:11,098 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] [2020-12-22 11:40:11,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 11:40:11,099 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:40:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:40:11,099 INFO L82 PathProgramCache]: Analyzing trace with hash 721547164, now seen corresponding path program 1 times [2020-12-22 11:40:11,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:40:11,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640005334] [2020-12-22 11:40:11,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:40:11,231 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:40:11,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254505882] [2020-12-22 11:40:11,232 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 11:40:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:40:13,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 11:40:13,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:40:13,212 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 11:40:13,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640005334] [2020-12-22 11:40:13,212 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:40:13,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254505882] [2020-12-22 11:40:13,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:40:13,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:40:13,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183257922] [2020-12-22 11:40:13,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:40:13,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:40:13,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:40:13,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:40:13,217 INFO L87 Difference]: Start difference. First operand 250 states and 304 transitions. Second operand 4 states. [2020-12-22 11:40:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:40:13,692 INFO L93 Difference]: Finished difference Result 514 states and 633 transitions. [2020-12-22 11:40:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:40:13,694 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-22 11:40:13,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:40:13,696 INFO L225 Difference]: With dead ends: 514 [2020-12-22 11:40:13,697 INFO L226 Difference]: Without dead ends: 295 [2020-12-22 11:40:13,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 11:40:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-22 11:40:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 268. [2020-12-22 11:40:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-12-22 11:40:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 322 transitions. [2020-12-22 11:40:13,708 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 322 transitions. Word has length 49 [2020-12-22 11:40:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:40:13,709 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 322 transitions. [2020-12-22 11:40:13,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:40:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 322 transitions. [2020-12-22 11:40:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 11:40:13,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:40:13,711 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] [2020-12-22 11:40:13,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:40:13,926 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:40:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:40:13,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1884476390, now seen corresponding path program 1 times [2020-12-22 11:40:13,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:40:13,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313996663] [2020-12-22 11:40:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:40:14,051 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:40:14,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609535213] [2020-12-22 11:40:14,052 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 11:40:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:40:15,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 2527 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 11:40:15,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:40:16,120 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 11:40:16,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313996663] [2020-12-22 11:40:16,121 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:40:16,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609535213] [2020-12-22 11:40:16,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:40:16,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 11:40:16,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346717906] [2020-12-22 11:40:16,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:40:16,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:40:16,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:40:16,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:40:16,123 INFO L87 Difference]: Start difference. First operand 268 states and 322 transitions. Second operand 7 states. [2020-12-22 11:40:16,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:40:16,677 INFO L93 Difference]: Finished difference Result 457 states and 547 transitions. [2020-12-22 11:40:16,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:40:16,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2020-12-22 11:40:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:40:16,680 INFO L225 Difference]: With dead ends: 457 [2020-12-22 11:40:16,680 INFO L226 Difference]: Without dead ends: 268 [2020-12-22 11:40:16,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:40:16,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-12-22 11:40:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2020-12-22 11:40:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-12-22 11:40:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 316 transitions. [2020-12-22 11:40:16,691 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 316 transitions. Word has length 49 [2020-12-22 11:40:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:40:16,692 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 316 transitions. [2020-12-22 11:40:16,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:40:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 316 transitions. [2020-12-22 11:40:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 11:40:16,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:40:16,694 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 11:40:16,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:40:16,906 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:40:16,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:40:16,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1740025118, now seen corresponding path program 1 times [2020-12-22 11:40:16,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:40:16,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903676830] [2020-12-22 11:40:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:40:17,025 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:40:17,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001287435] [2020-12-22 11:40:17,026 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 11:43:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:43:22,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 2717 conjuncts, 283 conjunts are in the unsatisfiable core [2020-12-22 11:43:23,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:43:23,049 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 11:43:23,050 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,062 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:23,063 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,063 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-22 11:43:23,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:23,290 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 27 treesize of output 15 [2020-12-22 11:43:23,293 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,308 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:23,310 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,311 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:20 [2020-12-22 11:43:23,635 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-12-22 11:43:23,637 INFO L348 Elim1Store]: treesize reduction 13, result has 83.5 percent of original size [2020-12-22 11:43:23,637 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 84 [2020-12-22 11:43:23,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:23,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:23,676 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:23,803 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-22 11:43:23,807 INFO L625 ElimStorePlain]: treesize reduction 8, result has 87.1 percent of original size [2020-12-22 11:43:23,809 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 11:43:23,810 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2020-12-22 11:43:23,947 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:23,951 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2020-12-22 11:43:23,958 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:24,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:24,018 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:24,019 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:61, output treesize:57 [2020-12-22 11:43:24,477 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:24,478 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 55 [2020-12-22 11:43:24,482 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:24,580 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:24,581 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 55 [2020-12-22 11:43:24,587 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:24,664 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:24,664 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 55 [2020-12-22 11:43:24,668 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:25,007 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-22 11:43:25,008 INFO L625 ElimStorePlain]: treesize reduction 101, result has 54.5 percent of original size [2020-12-22 11:43:25,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-12-22 11:43:25,027 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:216, output treesize:121 [2020-12-22 11:43:25,210 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-22 11:43:25,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:26,113 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-22 11:43:26,114 INFO L348 Elim1Store]: treesize reduction 53, result has 67.9 percent of original size [2020-12-22 11:43:26,115 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 10 case distinctions, treesize of input 30 treesize of output 129 [2020-12-22 11:43:26,121 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:26,357 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-12-22 11:43:26,359 INFO L625 ElimStorePlain]: treesize reduction 34, result has 74.4 percent of original size [2020-12-22 11:43:26,369 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,370 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,372 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,373 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,376 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,380 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:26,395 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,399 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,404 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,406 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 11:43:26,439 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,446 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,451 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 11:43:26,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,478 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,483 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,492 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:26,535 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:26,536 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:77, output treesize:99 [2020-12-22 11:43:26,543 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,544 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,545 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,546 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,548 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,550 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,556 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:26,562 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,565 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,569 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,570 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 11:43:26,592 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,596 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,600 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,602 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 11:43:26,618 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,619 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,622 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,627 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:26,813 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,814 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,817 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,818 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,821 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,831 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,838 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:26,846 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,851 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,855 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,857 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 11:43:26,878 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,881 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,887 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,888 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 11:43:26,906 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:26,907 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:26,911 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:26,917 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:27,201 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:27,202 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:27,204 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,205 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:27,208 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:27,211 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,217 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:27,221 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:27,223 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:27,226 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,231 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-22 11:43:27,258 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,262 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,266 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-22 11:43:27,267 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-22 11:43:27,286 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,287 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:43:27,290 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:27,294 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-22 11:43:30,194 WARN L197 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2020-12-22 11:43:30,219 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-22 11:43:30,888 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-22 11:43:30,889 INFO L348 Elim1Store]: treesize reduction 39, result has 78.5 percent of original size [2020-12-22 11:43:30,889 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 39 treesize of output 166 [2020-12-22 11:43:30,894 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:30,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:30,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:30,903 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:31,537 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-22 11:43:31,538 INFO L348 Elim1Store]: treesize reduction 39, result has 78.5 percent of original size [2020-12-22 11:43:31,539 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 39 treesize of output 166 [2020-12-22 11:43:31,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:31,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:31,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:31,551 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:32,122 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-22 11:43:32,123 INFO L348 Elim1Store]: treesize reduction 39, result has 78.5 percent of original size [2020-12-22 11:43:32,124 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 39 treesize of output 166 [2020-12-22 11:43:32,133 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:32,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:32,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:32,142 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:33,431 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 143 DAG size of output: 112 [2020-12-22 11:43:33,433 INFO L625 ElimStorePlain]: treesize reduction 105, result has 77.3 percent of original size [2020-12-22 11:43:33,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:33,460 INFO L547 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 1 dim-1 vars, End of recursive call: 14 dim-0 vars, and 3 xjuncts. [2020-12-22 11:43:33,460 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 14 variables, input treesize:373, output treesize:348 [2020-12-22 11:43:33,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:34,468 WARN L197 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2020-12-22 11:43:34,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:34,640 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 16, 1] term [2020-12-22 11:43:34,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:34,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:34,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 11:43:34,672 INFO L443 ElimStorePlain]: Different costs {28=[v_prenex_15], 40=[|v_#memory_int_90|]} [2020-12-22 11:43:34,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:34,696 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:34,700 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:34,703 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2020-12-22 11:43:34,706 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:35,285 WARN L197 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-22 11:43:35,285 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:35,309 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:35,313 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:35,323 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:35,344 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:35,390 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:35,391 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 79 [2020-12-22 11:43:35,395 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:35,420 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:35,427 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:35,429 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2020-12-22 11:43:35,432 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:36,338 WARN L197 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-12-22 11:43:36,339 INFO L625 ElimStorePlain]: treesize reduction 34, result has 90.8 percent of original size [2020-12-22 11:43:36,346 INFO L547 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 13 dim-0 vars, and 3 xjuncts. [2020-12-22 11:43:36,346 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 11 variables, input treesize:330, output treesize:336 [2020-12-22 11:43:36,814 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 51 [2020-12-22 11:43:37,644 WARN L197 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-22 11:43:38,047 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:38,047 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 11:43:38,051 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:38,185 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:38,189 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 11:43:38,193 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:38,751 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-22 11:43:38,752 INFO L625 ElimStorePlain]: treesize reduction 32, result has 85.5 percent of original size [2020-12-22 11:43:38,758 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-12-22 11:43:38,758 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:209, output treesize:189 [2020-12-22 11:43:39,079 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-22 11:43:39,439 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-22 11:43:39,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:40,915 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-22 11:43:40,916 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:40,916 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 26 treesize of output 80 [2020-12-22 11:43:40,925 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:41,047 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-22 11:43:41,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:41,055 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:41,055 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:109, output treesize:84 [2020-12-22 11:43:41,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:41,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:41,514 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 11:43:41,515 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:41,515 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 80 treesize of output 135 [2020-12-22 11:43:41,526 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:41,802 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-12-22 11:43:41,803 INFO L625 ElimStorePlain]: treesize reduction 62, result has 62.9 percent of original size [2020-12-22 11:43:41,812 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:41,829 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:41,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:41,864 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-12-22 11:43:41,865 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:97, output treesize:94 [2020-12-22 11:43:41,870 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,878 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:41,882 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:41,884 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:44,252 WARN L197 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 51 [2020-12-22 11:43:44,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,276 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:44,283 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,285 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:44,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:44,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:44,707 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:45,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:45,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:45,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:45,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:45,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:45,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,697 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:45,956 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,962 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,970 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:43:45,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:43:45,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:57,109 WARN L197 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2020-12-22 11:43:57,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:43:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:58,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:58,209 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:58,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 11:43:58,213 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 11:43:58,224 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:43:58,225 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 78 [2020-12-22 11:43:58,230 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:43:58,342 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-22 11:43:58,343 INFO L625 ElimStorePlain]: treesize reduction 26, result has 72.0 percent of original size [2020-12-22 11:43:58,344 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:43:58,345 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:67 [2020-12-22 11:43:58,864 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:44:01,417 WARN L197 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-22 11:44:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:44:02,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903676830] [2020-12-22 11:44:02,186 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:44:02,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001287435] [2020-12-22 11:44:02,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:44:02,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2020-12-22 11:44:02,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826070394] [2020-12-22 11:44:02,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-12-22 11:44:02,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:44:02,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-12-22 11:44:02,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1429, Unknown=0, NotChecked=0, Total=1560 [2020-12-22 11:44:02,190 INFO L87 Difference]: Start difference. First operand 268 states and 316 transitions. Second operand 40 states.