./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:13:16,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:13:16,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:13:16,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:13:16,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:13:16,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:13:16,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:13:16,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:13:16,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:13:16,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:13:16,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:13:16,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:13:16,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:13:16,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:13:16,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:13:16,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:13:16,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:13:16,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:13:16,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:13:16,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:13:16,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:13:16,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:13:16,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:13:16,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:13:17,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:13:17,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:13:17,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:13:17,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:13:17,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:13:17,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:13:17,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:13:17,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:13:17,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:13:17,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:13:17,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:13:17,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:13:17,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:13:17,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:13:17,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:13:17,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:13:17,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:13:17,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:13:17,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:13:17,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:13:17,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:13:17,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:13:17,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:13:17,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:13:17,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:13:17,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:13:17,049 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:13:17,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:13:17,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:13:17,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:13:17,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:13:17,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:13:17,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:13:17,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:13:17,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:13:17,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:13:17,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:13:17,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:13:17,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:13:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:13:17,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:13:17,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:13:17,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:13:17,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:13:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:13:17,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:13:17,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:13:17,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:13:17,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:13:17,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e [2021-12-16 03:13:17,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:13:17,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:13:17,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:13:17,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:13:17,271 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:13:17,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-12-16 03:13:17,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41a0c715/e54db5b369664b12937006d146dd2866/FLAGeab5198a0 [2021-12-16 03:13:17,847 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:13:17,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-12-16 03:13:17,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41a0c715/e54db5b369664b12937006d146dd2866/FLAGeab5198a0 [2021-12-16 03:13:18,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41a0c715/e54db5b369664b12937006d146dd2866 [2021-12-16 03:13:18,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:13:18,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:13:18,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:13:18,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:13:18,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:13:18,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:13:18" (1/1) ... [2021-12-16 03:13:18,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773fb55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:18, skipping insertion in model container [2021-12-16 03:13:18,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:13:18" (1/1) ... [2021-12-16 03:13:18,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:13:18,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:13:18,488 WARN L230 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_erase_harness.i[4494,4507] [2021-12-16 03:13:18,493 WARN L230 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_erase_harness.i[4554,4567] [2021-12-16 03:13:18,927 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:13:18,986 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:18,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:18,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:18,988 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:18,989 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,004 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,206 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:13:19,207 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:13:19,207 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:13:19,210 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:13:19,211 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:13:19,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:13:19,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:13:19,213 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:13:19,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:13:19,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:13:19,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,316 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,378 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,380 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:13:19,406 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:13:19,426 WARN L230 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_erase_harness.i[4494,4507] [2021-12-16 03:13:19,427 WARN L230 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_erase_harness.i[4554,4567] [2021-12-16 03:13:19,458 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:13:19,484 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,487 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,495 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,495 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,496 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,496 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,497 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,497 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,518 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:13:19,518 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:13:19,519 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:13:19,519 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:13:19,520 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:13:19,520 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:13:19,535 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:13:19,536 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:13:19,536 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:13:19,536 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:13:19,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,560 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,561 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,585 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,590 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:13:19,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:13:19,720 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:13:19,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19 WrapperNode [2021-12-16 03:13:19,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:13:19,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:13:19,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:13:19,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:13:19,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,846 INFO L137 Inliner]: procedures = 687, calls = 1681, calls flagged for inlining = 53, calls inlined = 12, statements flattened = 732 [2021-12-16 03:13:19,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:13:19,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:13:19,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:13:19,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:13:19,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:13:19,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:13:19,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:13:19,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:13:19,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (1/1) ... [2021-12-16 03:13:19,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:13:19,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:13:19,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:13:19,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:13:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2021-12-16 03:13:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2021-12-16 03:13:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:13:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-16 03:13:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-16 03:13:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-16 03:13:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-16 03:13:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-16 03:13:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-16 03:13:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:13:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-16 03:13:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-16 03:13:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-16 03:13:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-16 03:13:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:13:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:13:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint8_t [2021-12-16 03:13:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint8_t [2021-12-16 03:13:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:13:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:13:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:13:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-16 03:13:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-16 03:13:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-16 03:13:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-16 03:13:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-16 03:13:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-16 03:13:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-16 03:13:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-16 03:13:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:13:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:13:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-12-16 03:13:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-12-16 03:13:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:13:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:13:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:13:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-16 03:13:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-16 03:13:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-16 03:13:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-16 03:13:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:13:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2021-12-16 03:13:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2021-12-16 03:13:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-16 03:13:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-16 03:13:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-16 03:13:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-16 03:13:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-16 03:13:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-16 03:13:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:13:20,286 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:13:20,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:13:20,767 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:13:20,776 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:13:20,778 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:13:20,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:13:20 BoogieIcfgContainer [2021-12-16 03:13:20,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:13:20,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:13:20,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:13:20,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:13:20,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:13:18" (1/3) ... [2021-12-16 03:13:20,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eb494e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:13:20, skipping insertion in model container [2021-12-16 03:13:20,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:13:19" (2/3) ... [2021-12-16 03:13:20,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eb494e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:13:20, skipping insertion in model container [2021-12-16 03:13:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:13:20" (3/3) ... [2021-12-16 03:13:20,791 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_erase_harness.i [2021-12-16 03:13:20,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:13:20,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:13:20,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:13:20,842 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 03:13:20,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:13:20,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 142 states have internal predecessors, (168), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-16 03:13:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-16 03:13:20,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:13:20,869 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:13:20,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:13:20,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:13:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1159260553, now seen corresponding path program 1 times [2021-12-16 03:13:20,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:13:20,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197943619] [2021-12-16 03:13:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:20,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:13:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:13:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:13:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:13:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 03:13:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 03:13:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 03:13:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 03:13:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 03:13:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 03:13:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:13:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 03:13:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 03:13:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 03:13:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-16 03:13:21,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:13:21,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197943619] [2021-12-16 03:13:21,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197943619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:13:21,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:13:21,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:13:21,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360132976] [2021-12-16 03:13:21,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:13:21,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:13:21,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:13:21,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:13:21,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:13:21,452 INFO L87 Difference]: Start difference. First operand has 248 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 142 states have internal predecessors, (168), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 03:13:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:13:21,962 INFO L93 Difference]: Finished difference Result 527 states and 815 transitions. [2021-12-16 03:13:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 03:13:21,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 82 [2021-12-16 03:13:21,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:13:21,972 INFO L225 Difference]: With dead ends: 527 [2021-12-16 03:13:21,973 INFO L226 Difference]: Without dead ends: 281 [2021-12-16 03:13:21,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:13:21,979 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 129 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:13:21,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 398 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 03:13:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-12-16 03:13:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2021-12-16 03:13:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 137 states have (on average 1.1824817518248176) internal successors, (162), 138 states have internal predecessors, (162), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2021-12-16 03:13:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 333 transitions. [2021-12-16 03:13:22,025 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 333 transitions. Word has length 82 [2021-12-16 03:13:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:13:22,025 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 333 transitions. [2021-12-16 03:13:22,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 03:13:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 333 transitions. [2021-12-16 03:13:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-16 03:13:22,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:13:22,028 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:13:22,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:13:22,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:13:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:13:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash 808636019, now seen corresponding path program 1 times [2021-12-16 03:13:22,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:13:22,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75148898] [2021-12-16 03:13:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:22,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:13:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:13:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:13:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:13:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 03:13:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 03:13:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 03:13:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 03:13:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 03:13:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 03:13:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:13:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 03:13:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 03:13:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 03:13:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-12-16 03:13:22,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:13:22,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75148898] [2021-12-16 03:13:22,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75148898] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:13:22,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068675528] [2021-12-16 03:13:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:22,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:13:22,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:13:22,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:13:22,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:13:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:22,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-16 03:13:22,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:13:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-16 03:13:22,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:13:22,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068675528] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:13:22,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:13:22,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-16 03:13:22,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220306384] [2021-12-16 03:13:22,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:13:22,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:13:22,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:13:22,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:13:22,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:13:22,845 INFO L87 Difference]: Start difference. First operand 243 states and 333 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-16 03:13:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:13:22,956 INFO L93 Difference]: Finished difference Result 451 states and 640 transitions. [2021-12-16 03:13:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:13:22,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 82 [2021-12-16 03:13:22,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:13:22,959 INFO L225 Difference]: With dead ends: 451 [2021-12-16 03:13:22,959 INFO L226 Difference]: Without dead ends: 245 [2021-12-16 03:13:22,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:13:22,961 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 2 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:13:22,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1526 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:13:22,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-12-16 03:13:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-12-16 03:13:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 138 states have (on average 1.181159420289855) internal successors, (163), 140 states have internal predecessors, (163), 86 states have call successors, (86), 19 states have call predecessors, (86), 20 states have return successors, (102), 85 states have call predecessors, (102), 85 states have call successors, (102) [2021-12-16 03:13:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 351 transitions. [2021-12-16 03:13:22,977 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 351 transitions. Word has length 82 [2021-12-16 03:13:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:13:22,978 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 351 transitions. [2021-12-16 03:13:22,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-16 03:13:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 351 transitions. [2021-12-16 03:13:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-16 03:13:22,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:13:22,979 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:13:23,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 03:13:23,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:13:23,197 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:13:23,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:13:23,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1183616549, now seen corresponding path program 1 times [2021-12-16 03:13:23,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:13:23,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061264197] [2021-12-16 03:13:23,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:23,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:13:23,245 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 03:13:23,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671264079] [2021-12-16 03:13:23,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:23,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:13:23,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:13:23,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:13:23,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:13:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:23,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 2248 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 03:13:23,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:13:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-16 03:13:23,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:13:23,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:13:23,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061264197] [2021-12-16 03:13:23,721 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-16 03:13:23,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671264079] [2021-12-16 03:13:23,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671264079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:13:23,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:13:23,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:13:23,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097428155] [2021-12-16 03:13:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:13:23,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:13:23,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:13:23,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:13:23,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:13:23,723 INFO L87 Difference]: Start difference. First operand 245 states and 351 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 03:13:23,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:13:23,760 INFO L93 Difference]: Finished difference Result 458 states and 690 transitions. [2021-12-16 03:13:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:13:23,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2021-12-16 03:13:23,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:13:23,762 INFO L225 Difference]: With dead ends: 458 [2021-12-16 03:13:23,762 INFO L226 Difference]: Without dead ends: 250 [2021-12-16 03:13:23,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:13:23,764 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 10 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:13:23,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 986 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:13:23,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-16 03:13:23,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 247. [2021-12-16 03:13:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 140 states have (on average 1.1785714285714286) internal successors, (165), 142 states have internal predecessors, (165), 86 states have call successors, (86), 19 states have call predecessors, (86), 20 states have return successors, (102), 85 states have call predecessors, (102), 85 states have call successors, (102) [2021-12-16 03:13:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 353 transitions. [2021-12-16 03:13:23,779 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 353 transitions. Word has length 97 [2021-12-16 03:13:23,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:13:23,780 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 353 transitions. [2021-12-16 03:13:23,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 03:13:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 353 transitions. [2021-12-16 03:13:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-16 03:13:23,781 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:13:23,781 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:13:23,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:13:24,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-12-16 03:13:24,001 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:13:24,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:13:24,001 INFO L85 PathProgramCache]: Analyzing trace with hash 307597543, now seen corresponding path program 1 times [2021-12-16 03:13:24,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:13:24,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877012871] [2021-12-16 03:13:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:24,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:13:24,034 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 03:13:24,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446299994] [2021-12-16 03:13:24,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:13:24,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:13:24,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:13:24,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:13:24,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 03:13:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:13:24,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-16 03:13:24,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:13:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-16 03:13:24,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:13:24,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:13:24,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877012871] [2021-12-16 03:13:24,592 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-16 03:13:24,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446299994] [2021-12-16 03:13:24,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446299994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:13:24,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:13:24,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:13:24,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235625485] [2021-12-16 03:13:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:13:24,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:13:24,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:13:24,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:13:24,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:13:24,594 INFO L87 Difference]: Start difference. First operand 247 states and 353 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-12-16 03:13:24,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:13:24,639 INFO L93 Difference]: Finished difference Result 282 states and 390 transitions. [2021-12-16 03:13:24,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:13:24,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 97 [2021-12-16 03:13:24,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:13:24,640 INFO L225 Difference]: With dead ends: 282 [2021-12-16 03:13:24,640 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 03:13:24,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:13:24,642 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:13:24,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:13:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 03:13:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 03:13:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 03:13:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 03:13:24,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2021-12-16 03:13:24,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:13:24,643 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 03:13:24,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-12-16 03:13:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 03:13:24,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 03:13:24,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 03:13:24,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-16 03:13:24,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:13:24,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 03:13:25,219 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 03:13:25,219 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2021-12-16 03:13:25,219 INFO L858 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2021-12-16 03:13:25,219 INFO L854 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 03:13:25,219 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2021-12-16 03:13:25,220 INFO L858 garLoopResultBuilder]: For program point L7013-4(lines 7012 7024) no Hoare annotation was computed. [2021-12-16 03:13:25,220 INFO L861 garLoopResultBuilder]: At program point L7022(line 7022) the Hoare annotation is: true [2021-12-16 03:13:25,220 INFO L858 garLoopResultBuilder]: For program point L7020-1(lines 7020 7022) no Hoare annotation was computed. [2021-12-16 03:13:25,220 INFO L861 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2021-12-16 03:13:25,220 INFO L858 garLoopResultBuilder]: For program point L7022-1(line 7022) no Hoare annotation was computed. [2021-12-16 03:13:25,220 INFO L858 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7012 7024) no Hoare annotation was computed. [2021-12-16 03:13:25,220 INFO L854 garLoopResultBuilder]: At program point L7014(lines 7014 7016) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-16 03:13:25,220 INFO L854 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7012 7024) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-16 03:13:25,221 INFO L858 garLoopResultBuilder]: For program point L7020-3(lines 7020 7022) no Hoare annotation was computed. [2021-12-16 03:13:25,221 INFO L858 garLoopResultBuilder]: For program point L7014-1(lines 7014 7016) no Hoare annotation was computed. [2021-12-16 03:13:25,221 INFO L858 garLoopResultBuilder]: For program point L7019-1(line 7019) no Hoare annotation was computed. [2021-12-16 03:13:25,221 INFO L854 garLoopResultBuilder]: At program point L7019(line 7019) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-16 03:13:25,221 INFO L858 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2021-12-16 03:13:25,221 INFO L854 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-16 03:13:25,221 INFO L858 garLoopResultBuilder]: For program point L7013-2(lines 7013 7023) no Hoare annotation was computed. [2021-12-16 03:13:25,221 INFO L858 garLoopResultBuilder]: For program point L7013(line 7013) no Hoare annotation was computed. [2021-12-16 03:13:25,222 INFO L858 garLoopResultBuilder]: For program point nondet_uint8_tEXIT(line 267) no Hoare annotation was computed. [2021-12-16 03:13:25,222 INFO L861 garLoopResultBuilder]: At program point nondet_uint8_tENTRY(line 267) the Hoare annotation is: true [2021-12-16 03:13:25,222 INFO L858 garLoopResultBuilder]: For program point nondet_uint8_tFINAL(line 267) no Hoare annotation was computed. [2021-12-16 03:13:25,222 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6998 7010) no Hoare annotation was computed. [2021-12-16 03:13:25,222 INFO L861 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6998 7010) the Hoare annotation is: true [2021-12-16 03:13:25,222 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6998 7010) no Hoare annotation was computed. [2021-12-16 03:13:25,222 INFO L854 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-16 03:13:25,222 INFO L858 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L858 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2021-12-16 03:13:25,223 INFO L854 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| 0) (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base))) [2021-12-16 03:13:25,224 INFO L858 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2021-12-16 03:13:25,224 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2021-12-16 03:13:25,224 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-16 03:13:25,224 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-16 03:13:25,224 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-16 03:13:25,224 INFO L861 garLoopResultBuilder]: At program point L7178(line 7178) the Hoare annotation is: true [2021-12-16 03:13:25,224 INFO L858 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7176 7180) no Hoare annotation was computed. [2021-12-16 03:13:25,224 INFO L861 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7176 7180) the Hoare annotation is: true [2021-12-16 03:13:25,225 INFO L858 garLoopResultBuilder]: For program point L7177-2(lines 7176 7180) no Hoare annotation was computed. [2021-12-16 03:13:25,225 INFO L858 garLoopResultBuilder]: For program point L7177(lines 7177 7179) no Hoare annotation was computed. [2021-12-16 03:13:25,225 INFO L858 garLoopResultBuilder]: For program point L7178-1(line 7178) no Hoare annotation was computed. [2021-12-16 03:13:25,225 INFO L858 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2021-12-16 03:13:25,225 INFO L861 garLoopResultBuilder]: At program point L7393(line 7393) the Hoare annotation is: true [2021-12-16 03:13:25,225 INFO L861 garLoopResultBuilder]: At program point my_memmoveENTRY(lines 7392 7394) the Hoare annotation is: true [2021-12-16 03:13:25,225 INFO L858 garLoopResultBuilder]: For program point my_memmoveFINAL(lines 7392 7394) no Hoare annotation was computed. [2021-12-16 03:13:25,225 INFO L858 garLoopResultBuilder]: For program point my_memmoveEXIT(lines 7392 7394) no Hoare annotation was computed. [2021-12-16 03:13:25,225 INFO L861 garLoopResultBuilder]: At program point memmove_implENTRY(lines 7375 7390) the Hoare annotation is: true [2021-12-16 03:13:25,226 INFO L858 garLoopResultBuilder]: For program point L7386(line 7386) no Hoare annotation was computed. [2021-12-16 03:13:25,226 INFO L858 garLoopResultBuilder]: For program point L7383-1(lines 7383 7387) no Hoare annotation was computed. [2021-12-16 03:13:25,226 INFO L861 garLoopResultBuilder]: At program point L7385-1(line 7385) the Hoare annotation is: true [2021-12-16 03:13:25,226 INFO L861 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2021-12-16 03:13:25,226 INFO L858 garLoopResultBuilder]: For program point L7379(lines 7375 7390) no Hoare annotation was computed. [2021-12-16 03:13:25,226 INFO L858 garLoopResultBuilder]: For program point memmove_implEXIT(lines 7375 7390) no Hoare annotation was computed. [2021-12-16 03:13:25,226 INFO L861 garLoopResultBuilder]: At program point L7376-1(lines 7376 7378) the Hoare annotation is: true [2021-12-16 03:13:25,226 INFO L861 garLoopResultBuilder]: At program point L7376(lines 7376 7378) the Hoare annotation is: true [2021-12-16 03:13:25,227 INFO L858 garLoopResultBuilder]: For program point memmove_implFINAL(lines 7375 7390) no Hoare annotation was computed. [2021-12-16 03:13:25,227 INFO L854 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-16 03:13:25,227 INFO L858 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2021-12-16 03:13:25,227 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2021-12-16 03:13:25,227 INFO L861 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2021-12-16 03:13:25,227 INFO L858 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2021-12-16 03:13:25,227 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2021-12-16 03:13:25,227 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-16 03:13:25,228 INFO L861 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2021-12-16 03:13:25,228 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2021-12-16 03:13:25,228 INFO L861 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2021-12-16 03:13:25,228 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2021-12-16 03:13:25,228 INFO L861 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2021-12-16 03:13:25,228 INFO L861 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2021-12-16 03:13:25,228 INFO L858 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2021-12-16 03:13:25,228 INFO L861 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2021-12-16 03:13:25,229 INFO L858 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2021-12-16 03:13:25,229 INFO L858 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2021-12-16 03:13:25,229 INFO L861 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2021-12-16 03:13:25,229 INFO L858 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2021-12-16 03:13:25,229 INFO L861 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2021-12-16 03:13:25,229 INFO L861 garLoopResultBuilder]: At program point my_memsetENTRY(lines 7445 7447) the Hoare annotation is: true [2021-12-16 03:13:25,229 INFO L858 garLoopResultBuilder]: For program point my_memsetFINAL(lines 7445 7447) no Hoare annotation was computed. [2021-12-16 03:13:25,230 INFO L861 garLoopResultBuilder]: At program point L7446(line 7446) the Hoare annotation is: true [2021-12-16 03:13:25,230 INFO L858 garLoopResultBuilder]: For program point my_memsetEXIT(lines 7445 7447) no Hoare annotation was computed. [2021-12-16 03:13:25,230 INFO L858 garLoopResultBuilder]: For program point L7446-1(line 7446) no Hoare annotation was computed. [2021-12-16 03:13:25,230 INFO L858 garLoopResultBuilder]: For program point memset_implEXIT(lines 7435 7443) no Hoare annotation was computed. [2021-12-16 03:13:25,230 INFO L861 garLoopResultBuilder]: At program point L7439-1(line 7439) the Hoare annotation is: true [2021-12-16 03:13:25,230 INFO L861 garLoopResultBuilder]: At program point L7439(line 7439) the Hoare annotation is: true [2021-12-16 03:13:25,230 INFO L858 garLoopResultBuilder]: For program point L7440(line 7440) no Hoare annotation was computed. [2021-12-16 03:13:25,230 INFO L861 garLoopResultBuilder]: At program point memset_implENTRY(lines 7435 7443) the Hoare annotation is: true [2021-12-16 03:13:25,231 INFO L858 garLoopResultBuilder]: For program point L7436-1(lines 7435 7443) no Hoare annotation was computed. [2021-12-16 03:13:25,231 INFO L861 garLoopResultBuilder]: At program point L7436(line 7436) the Hoare annotation is: true [2021-12-16 03:13:25,231 INFO L858 garLoopResultBuilder]: For program point L7437-1(lines 7437 7441) no Hoare annotation was computed. [2021-12-16 03:13:25,231 INFO L858 garLoopResultBuilder]: For program point memset_implFINAL(lines 7435 7443) no Hoare annotation was computed. [2021-12-16 03:13:25,231 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-16 03:13:25,231 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-16 03:13:25,231 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-16 03:13:25,231 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-16 03:13:25,232 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (not (< 0 |#StackHeapBarrier|))) [2021-12-16 03:13:25,232 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-16 03:13:25,232 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-16 03:13:25,232 INFO L858 garLoopResultBuilder]: For program point L7365(lines 7365 7367) no Hoare annotation was computed. [2021-12-16 03:13:25,232 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2021-12-16 03:13:25,232 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2021-12-16 03:13:25,232 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2021-12-16 03:13:25,232 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 03:13:25,232 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-12-16 03:13:25,233 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-12-16 03:13:25,233 INFO L858 garLoopResultBuilder]: For program point L3363-2(line 3363) no Hoare annotation was computed. [2021-12-16 03:13:25,233 INFO L858 garLoopResultBuilder]: For program point L7195(lines 7195 7199) no Hoare annotation was computed. [2021-12-16 03:13:25,233 INFO L858 garLoopResultBuilder]: For program point L3355-1(line 3355) no Hoare annotation was computed. [2021-12-16 03:13:25,233 INFO L854 garLoopResultBuilder]: At program point L3355(line 3355) the Hoare annotation is: false [2021-12-16 03:13:25,233 INFO L858 garLoopResultBuilder]: For program point L8029(lines 8029 8055) no Hoare annotation was computed. [2021-12-16 03:13:25,233 INFO L854 garLoopResultBuilder]: At program point L8054(line 8054) the Hoare annotation is: false [2021-12-16 03:13:25,233 INFO L854 garLoopResultBuilder]: At program point L3355-2(lines 3345 3356) the Hoare annotation is: false [2021-12-16 03:13:25,233 INFO L854 garLoopResultBuilder]: At program point L3347-1(line 3347) the Hoare annotation is: false [2021-12-16 03:13:25,234 INFO L854 garLoopResultBuilder]: At program point L3347(line 3347) the Hoare annotation is: false [2021-12-16 03:13:25,234 INFO L858 garLoopResultBuilder]: For program point L8054-1(line 8054) no Hoare annotation was computed. [2021-12-16 03:13:25,234 INFO L854 garLoopResultBuilder]: At program point L8046(line 8046) the Hoare annotation is: false [2021-12-16 03:13:25,234 INFO L858 garLoopResultBuilder]: For program point L3347-2(line 3347) no Hoare annotation was computed. [2021-12-16 03:13:25,234 INFO L858 garLoopResultBuilder]: For program point L8046-1(line 8046) no Hoare annotation was computed. [2021-12-16 03:13:25,234 INFO L858 garLoopResultBuilder]: For program point L7204(lines 7204 7206) no Hoare annotation was computed. [2021-12-16 03:13:25,234 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 03:13:25,234 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 03:13:25,234 INFO L854 garLoopResultBuilder]: At program point L3381-1(line 3381) the Hoare annotation is: false [2021-12-16 03:13:25,235 INFO L854 garLoopResultBuilder]: At program point L3348(line 3348) the Hoare annotation is: false [2021-12-16 03:13:25,235 INFO L854 garLoopResultBuilder]: At program point L3381(line 3381) the Hoare annotation is: false [2021-12-16 03:13:25,235 INFO L858 garLoopResultBuilder]: For program point L3381-2(line 3381) no Hoare annotation was computed. [2021-12-16 03:13:25,235 INFO L858 garLoopResultBuilder]: For program point L3348-1(lines 3348 3352) no Hoare annotation was computed. [2021-12-16 03:13:25,235 INFO L858 garLoopResultBuilder]: For program point L8047-1(line 8047) no Hoare annotation was computed. [2021-12-16 03:13:25,235 INFO L854 garLoopResultBuilder]: At program point L8047(line 8047) the Hoare annotation is: false [2021-12-16 03:13:25,235 INFO L858 garLoopResultBuilder]: For program point L7205-1(line 7205) no Hoare annotation was computed. [2021-12-16 03:13:25,235 INFO L854 garLoopResultBuilder]: At program point L7205(line 7205) the Hoare annotation is: false [2021-12-16 03:13:25,236 INFO L858 garLoopResultBuilder]: For program point L3390(lines 3390 3405) no Hoare annotation was computed. [2021-12-16 03:13:25,236 INFO L858 garLoopResultBuilder]: For program point L3448(lines 3448 3458) no Hoare annotation was computed. [2021-12-16 03:13:25,236 INFO L861 garLoopResultBuilder]: At program point L8056(line 8056) the Hoare annotation is: true [2021-12-16 03:13:25,236 INFO L858 garLoopResultBuilder]: For program point L8048-1(line 8048) no Hoare annotation was computed. [2021-12-16 03:13:25,236 INFO L858 garLoopResultBuilder]: For program point L3407-1(line 3407) no Hoare annotation was computed. [2021-12-16 03:13:25,236 INFO L854 garLoopResultBuilder]: At program point L8048(line 8048) the Hoare annotation is: false [2021-12-16 03:13:25,236 INFO L854 garLoopResultBuilder]: At program point L3407(line 3407) the Hoare annotation is: false [2021-12-16 03:13:25,236 INFO L858 garLoopResultBuilder]: For program point L3457-1(line 3457) no Hoare annotation was computed. [2021-12-16 03:13:25,236 INFO L854 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2021-12-16 03:13:25,237 INFO L854 garLoopResultBuilder]: At program point L3457(line 3457) the Hoare annotation is: false [2021-12-16 03:13:25,237 INFO L854 garLoopResultBuilder]: At program point L3358(lines 3358 3378) the Hoare annotation is: false [2021-12-16 03:13:25,237 INFO L858 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2021-12-16 03:13:25,237 INFO L854 garLoopResultBuilder]: At program point L7190(lines 7190 7207) the Hoare annotation is: false [2021-12-16 03:13:25,237 INFO L858 garLoopResultBuilder]: For program point L3383-1(line 3383) no Hoare annotation was computed. [2021-12-16 03:13:25,237 INFO L854 garLoopResultBuilder]: At program point L3350(line 3350) the Hoare annotation is: false [2021-12-16 03:13:25,237 INFO L854 garLoopResultBuilder]: At program point L3383(line 3383) the Hoare annotation is: false [2021-12-16 03:13:25,237 INFO L858 garLoopResultBuilder]: For program point L3350-2(line 3350) no Hoare annotation was computed. [2021-12-16 03:13:25,237 INFO L854 garLoopResultBuilder]: At program point L3350-1(line 3350) the Hoare annotation is: false [2021-12-16 03:13:25,238 INFO L858 garLoopResultBuilder]: For program point L7182(lines 7182 7188) no Hoare annotation was computed. [2021-12-16 03:13:25,238 INFO L854 garLoopResultBuilder]: At program point L3408(lines 3380 3409) the Hoare annotation is: false [2021-12-16 03:13:25,238 INFO L858 garLoopResultBuilder]: For program point L8049-1(line 8049) no Hoare annotation was computed. [2021-12-16 03:13:25,238 INFO L854 garLoopResultBuilder]: At program point L8049(line 8049) the Hoare annotation is: false [2021-12-16 03:13:25,238 INFO L858 garLoopResultBuilder]: For program point L3367(lines 3367 3376) no Hoare annotation was computed. [2021-12-16 03:13:25,238 INFO L854 garLoopResultBuilder]: At program point L3367-2(lines 3367 3376) the Hoare annotation is: false [2021-12-16 03:13:25,238 INFO L854 garLoopResultBuilder]: At program point L3450(line 3450) the Hoare annotation is: false [2021-12-16 03:13:25,238 INFO L858 garLoopResultBuilder]: For program point L3450-2(line 3450) no Hoare annotation was computed. [2021-12-16 03:13:25,238 INFO L854 garLoopResultBuilder]: At program point L3450-1(line 3450) the Hoare annotation is: false [2021-12-16 03:13:25,239 INFO L854 garLoopResultBuilder]: At program point L8050(line 8050) the Hoare annotation is: false [2021-12-16 03:13:25,239 INFO L858 garLoopResultBuilder]: For program point L7183(lines 7183 7187) no Hoare annotation was computed. [2021-12-16 03:13:25,239 INFO L858 garLoopResultBuilder]: For program point L8050-1(line 8050) no Hoare annotation was computed. [2021-12-16 03:13:25,239 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-12-16 03:13:25,239 INFO L854 garLoopResultBuilder]: At program point L3360(line 3360) the Hoare annotation is: false [2021-12-16 03:13:25,239 INFO L858 garLoopResultBuilder]: For program point L3393(lines 3393 3405) no Hoare annotation was computed. [2021-12-16 03:13:25,239 INFO L858 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2021-12-16 03:13:25,239 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 03:13:25,239 INFO L858 garLoopResultBuilder]: For program point L3360-2(line 3360) no Hoare annotation was computed. [2021-12-16 03:13:25,240 INFO L854 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2021-12-16 03:13:25,240 INFO L854 garLoopResultBuilder]: At program point L3360-1(line 3360) the Hoare annotation is: false [2021-12-16 03:13:25,240 INFO L854 garLoopResultBuilder]: At program point L3393-2(lines 3390 3405) the Hoare annotation is: false [2021-12-16 03:13:25,240 INFO L858 garLoopResultBuilder]: For program point L3451(lines 3451 3456) no Hoare annotation was computed. [2021-12-16 03:13:25,240 INFO L858 garLoopResultBuilder]: For program point L3385(lines 3385 3388) no Hoare annotation was computed. [2021-12-16 03:13:25,240 INFO L854 garLoopResultBuilder]: At program point L3451-2(lines 3451 3456) the Hoare annotation is: false [2021-12-16 03:13:25,240 INFO L858 garLoopResultBuilder]: For program point L3377-1(line 3377) no Hoare annotation was computed. [2021-12-16 03:13:25,240 INFO L854 garLoopResultBuilder]: At program point L3377(line 3377) the Hoare annotation is: false [2021-12-16 03:13:25,240 INFO L854 garLoopResultBuilder]: At program point L3402(line 3402) the Hoare annotation is: false [2021-12-16 03:13:25,241 INFO L858 garLoopResultBuilder]: For program point L3369-1(line 3369) no Hoare annotation was computed. [2021-12-16 03:13:25,241 INFO L854 garLoopResultBuilder]: At program point L3369(line 3369) the Hoare annotation is: false [2021-12-16 03:13:25,241 INFO L858 garLoopResultBuilder]: For program point L3402-1(line 3402) no Hoare annotation was computed. [2021-12-16 03:13:25,241 INFO L854 garLoopResultBuilder]: At program point L8035-1(line 8035) the Hoare annotation is: (and (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|)) [2021-12-16 03:13:25,241 INFO L854 garLoopResultBuilder]: At program point L8035(line 8035) the Hoare annotation is: (and (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|)) [2021-12-16 03:13:25,241 INFO L858 garLoopResultBuilder]: For program point L3361-1(lines 3361 3365) no Hoare annotation was computed. [2021-12-16 03:13:25,241 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 03:13:25,241 INFO L854 garLoopResultBuilder]: At program point L3361(line 3361) the Hoare annotation is: false [2021-12-16 03:13:25,242 INFO L858 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2021-12-16 03:13:25,242 INFO L858 garLoopResultBuilder]: For program point L8035-2(line 8035) no Hoare annotation was computed. [2021-12-16 03:13:25,242 INFO L854 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2021-12-16 03:13:25,242 INFO L854 garLoopResultBuilder]: At program point L3386(line 3386) the Hoare annotation is: false [2021-12-16 03:13:25,242 INFO L858 garLoopResultBuilder]: For program point L3386-2(line 3386) no Hoare annotation was computed. [2021-12-16 03:13:25,242 INFO L854 garLoopResultBuilder]: At program point L3386-1(line 3386) the Hoare annotation is: false [2021-12-16 03:13:25,242 INFO L858 garLoopResultBuilder]: For program point L7185-1(line 7185) no Hoare annotation was computed. [2021-12-16 03:13:25,242 INFO L854 garLoopResultBuilder]: At program point L7185(line 7185) the Hoare annotation is: false [2021-12-16 03:13:25,242 INFO L854 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2021-12-16 03:13:25,243 INFO L854 garLoopResultBuilder]: At program point L8036-1(line 8036) the Hoare annotation is: (and (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|)) [2021-12-16 03:13:25,243 INFO L854 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|)) [2021-12-16 03:13:25,243 INFO L858 garLoopResultBuilder]: For program point L3395-1(line 3395) no Hoare annotation was computed. [2021-12-16 03:13:25,243 INFO L854 garLoopResultBuilder]: At program point L3395(line 3395) the Hoare annotation is: false [2021-12-16 03:13:25,243 INFO L858 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2021-12-16 03:13:25,243 INFO L858 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2021-12-16 03:13:25,243 INFO L854 garLoopResultBuilder]: At program point L3354(line 3354) the Hoare annotation is: false [2021-12-16 03:13:25,243 INFO L854 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: false [2021-12-16 03:13:25,243 INFO L858 garLoopResultBuilder]: For program point L3354-2(line 3354) no Hoare annotation was computed. [2021-12-16 03:13:25,244 INFO L854 garLoopResultBuilder]: At program point L3354-1(line 3354) the Hoare annotation is: false [2021-12-16 03:13:25,244 INFO L854 garLoopResultBuilder]: At program point L3404(line 3404) the Hoare annotation is: false [2021-12-16 03:13:25,244 INFO L854 garLoopResultBuilder]: At program point L8045-2(lines 8045 8053) the Hoare annotation is: false [2021-12-16 03:13:25,244 INFO L858 garLoopResultBuilder]: For program point L3371-1(line 3371) no Hoare annotation was computed. [2021-12-16 03:13:25,244 INFO L854 garLoopResultBuilder]: At program point L3371(line 3371) the Hoare annotation is: false [2021-12-16 03:13:25,244 INFO L858 garLoopResultBuilder]: For program point L3404-1(line 3404) no Hoare annotation was computed. [2021-12-16 03:13:25,244 INFO L858 garLoopResultBuilder]: For program point L8045(lines 8045 8053) no Hoare annotation was computed. [2021-12-16 03:13:25,244 INFO L858 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2021-12-16 03:13:25,244 INFO L854 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2021-12-16 03:13:25,245 INFO L858 garLoopResultBuilder]: For program point L8037-1(line 8037) no Hoare annotation was computed. [2021-12-16 03:13:25,245 INFO L854 garLoopResultBuilder]: At program point L3363-1(line 3363) the Hoare annotation is: false [2021-12-16 03:13:25,245 INFO L854 garLoopResultBuilder]: At program point L8037(line 8037) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_erase_harness_#t~ret798#1| 0) [2021-12-16 03:13:25,245 INFO L854 garLoopResultBuilder]: At program point L3363(line 3363) the Hoare annotation is: false [2021-12-16 03:13:25,245 INFO L858 garLoopResultBuilder]: For program point aws_array_list_pop_backEXIT(lines 3429 3446) no Hoare annotation was computed. [2021-12-16 03:13:25,245 INFO L861 garLoopResultBuilder]: At program point L3444(line 3444) the Hoare annotation is: true [2021-12-16 03:13:25,245 INFO L858 garLoopResultBuilder]: For program point L3445-1(line 3445) no Hoare annotation was computed. [2021-12-16 03:13:25,245 INFO L861 garLoopResultBuilder]: At program point L3445(line 3445) the Hoare annotation is: true [2021-12-16 03:13:25,245 INFO L858 garLoopResultBuilder]: For program point L3444-2(line 3444) no Hoare annotation was computed. [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point aws_array_list_pop_backENTRY(lines 3429 3446) the Hoare annotation is: true [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point L3444-1(line 3444) the Hoare annotation is: true [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point L3440(line 3440) the Hoare annotation is: true [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point L3438(line 3438) the Hoare annotation is: true [2021-12-16 03:13:25,246 INFO L858 garLoopResultBuilder]: For program point L3440-2(line 3440) no Hoare annotation was computed. [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point L3440-1(line 3440) the Hoare annotation is: true [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point L3436(line 3436) the Hoare annotation is: true [2021-12-16 03:13:25,246 INFO L858 garLoopResultBuilder]: For program point L3438-1(line 3438) no Hoare annotation was computed. [2021-12-16 03:13:25,246 INFO L861 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2021-12-16 03:13:25,247 INFO L858 garLoopResultBuilder]: For program point L3436-1(line 3436) no Hoare annotation was computed. [2021-12-16 03:13:25,247 INFO L861 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2021-12-16 03:13:25,247 INFO L858 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2021-12-16 03:13:25,247 INFO L861 garLoopResultBuilder]: At program point L3431-1(line 3431) the Hoare annotation is: true [2021-12-16 03:13:25,247 INFO L861 garLoopResultBuilder]: At program point L3431(line 3431) the Hoare annotation is: true [2021-12-16 03:13:25,247 INFO L858 garLoopResultBuilder]: For program point L3432-1(lines 3432 3442) no Hoare annotation was computed. [2021-12-16 03:13:25,247 INFO L858 garLoopResultBuilder]: For program point aws_array_list_pop_backFINAL(lines 3429 3446) no Hoare annotation was computed. [2021-12-16 03:13:25,247 INFO L858 garLoopResultBuilder]: For program point L3431-2(line 3431) no Hoare annotation was computed. [2021-12-16 03:13:25,247 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-16 03:13:25,248 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-16 03:13:25,248 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-16 03:13:25,248 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-16 03:13:25,248 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-16 03:13:25,248 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-16 03:13:25,250 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-16 03:13:25,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 03:13:25,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:13:25 BoogieIcfgContainer [2021-12-16 03:13:25,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 03:13:25,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 03:13:25,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 03:13:25,258 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 03:13:25,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:13:20" (3/4) ... [2021-12-16 03:13:25,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 03:13:25,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-16 03:13:25,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2021-12-16 03:13:25,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memset [2021-12-16 03:13:25,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memset_impl [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint8_t [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memmove [2021-12-16 03:13:25,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memmove_impl [2021-12-16 03:13:25,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-12-16 03:13:25,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2021-12-16 03:13:25,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_pop_back [2021-12-16 03:13:25,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-16 03:13:25,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 153 nodes and edges [2021-12-16 03:13:25,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2021-12-16 03:13:25,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-12-16 03:13:25,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-16 03:13:25,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-16 03:13:25,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-16 03:13:25,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 03:13:25,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 03:13:25,879 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 03:13:25,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 03:13:25,880 INFO L158 Benchmark]: Toolchain (without parser) took 7771.59ms. Allocated memory was 92.3MB in the beginning and 329.3MB in the end (delta: 237.0MB). Free memory was 54.6MB in the beginning and 140.6MB in the end (delta: -86.0MB). Peak memory consumption was 231.4MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,880 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 41.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 03:13:25,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1597.44ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 68.8MB in the end (delta: -14.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.03ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 59.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,881 INFO L158 Benchmark]: Boogie Preprocessor took 56.14ms. Allocated memory is still 111.1MB. Free memory was 59.3MB in the beginning and 53.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,881 INFO L158 Benchmark]: RCFGBuilder took 875.27ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 52.6MB in the beginning and 96.4MB in the end (delta: -43.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,881 INFO L158 Benchmark]: TraceAbstraction took 4475.88ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 96.2MB in the beginning and 100.9MB in the end (delta: -4.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,882 INFO L158 Benchmark]: Witness Printer took 621.32ms. Allocated memory was 209.7MB in the beginning and 329.3MB in the end (delta: 119.5MB). Free memory was 100.9MB in the beginning and 140.6MB in the end (delta: -39.7MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. [2021-12-16 03:13:25,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 41.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1597.44ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 68.8MB in the end (delta: -14.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.03ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 59.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.14ms. Allocated memory is still 111.1MB. Free memory was 59.3MB in the beginning and 53.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 875.27ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 52.6MB in the beginning and 96.4MB in the end (delta: -43.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4475.88ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 96.2MB in the beginning and 100.9MB in the end (delta: -4.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 621.32ms. Allocated memory was 209.7MB in the beginning and 329.3MB in the end (delta: 119.5MB). Free memory was 100.9MB in the beginning and 140.6MB in the end (delta: -39.7MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 3152 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2120 mSDsCounter, 227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 365 IncrementalHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 227 mSolverCounterUnsat, 1032 mSDtfsCounter, 365 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 321 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 112 LocationsWithAnnotation, 731 PreInvPairs, 738 NumberOfFragments, 359 HoareAnnotationTreeSize, 731 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 112 FomulaSimplificationsInter, 278 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6607 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 405/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3380]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 03:13:25,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE