./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_front_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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:22:44,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:22:44,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:22:44,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:22:44,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:22:44,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:22:44,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:22:44,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:22:44,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:22:44,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:22:44,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:22:44,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:22:44,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:22:44,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:22:44,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:22:44,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:22:44,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:22:44,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:22:44,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:22:44,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:22:44,675 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:22:44,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:22:44,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:22:44,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:22:44,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:22:44,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:22:44,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:22:44,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:22:44,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:22:44,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:22:44,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:22:44,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:22:44,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:22:44,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:22:44,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:22:44,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:22:44,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:22:44,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:22:44,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:22:44,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:22:44,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:22:44,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:22:44,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:22:44,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:22:44,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:22:44,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:22:44,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:22:44,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:22:44,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:22:44,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:22:44,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:22:44,737 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:22:44,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:22:44,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:22:44,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:22:44,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:22:44,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:22:44,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:22:44,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:22:44,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:22:44,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:22:44,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:22:44,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:22:44,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:22:44,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:22:44,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:22:44,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:22:44,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:22:44,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:22:44,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:22:44,749 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:22:44,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:22:44,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:22:44,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2022-07-21 09:22:45,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:22:45,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:22:45,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:22:45,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:22:45,076 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:22:45,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-07-21 09:22:45,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b463574b/130e902df36c49ee941122460311e8d7/FLAG27ae025a4 [2022-07-21 09:22:45,744 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:22:45,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-07-21 09:22:45,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b463574b/130e902df36c49ee941122460311e8d7/FLAG27ae025a4 [2022-07-21 09:22:45,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b463574b/130e902df36c49ee941122460311e8d7 [2022-07-21 09:22:45,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:22:45,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:22:45,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:22:45,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:22:45,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:22:45,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:45" (1/1) ... [2022-07-21 09:22:45,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8be1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:45, skipping insertion in model container [2022-07-21 09:22:45,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:45" (1/1) ... [2022-07-21 09:22:45,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:22:46,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:22:46,220 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_front_harness.i[4494,4507] [2022-07-21 09:22:46,225 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_front_harness.i[4554,4567] [2022-07-21 09:22:46,724 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:46,773 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,775 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,775 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,776 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,777 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,786 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,789 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,791 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,792 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,795 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,802 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,803 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:46,803 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,045 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:22:47,046 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:22:47,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:22:47,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:22:47,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:22:47,052 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:22:47,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:22:47,054 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:22:47,054 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:22:47,055 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:47,162 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,174 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:22:47,275 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:22:47,293 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_front_harness.i[4494,4507] [2022-07-21 09:22:47,302 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_front_harness.i[4554,4567] [2022-07-21 09:22:47,327 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:47,338 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,339 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,339 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,340 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,340 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,345 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,345 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,346 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,346 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,347 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,347 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,348 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,348 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,384 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:22:47,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:22:47,392 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:22:47,392 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:22:47,393 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:22:47,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:22:47,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:22:47,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:22:47,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:22:47,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:47,426 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,439 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:47,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:22:47,748 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:22:47,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47 WrapperNode [2022-07-21 09:22:47,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:22:47,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:22:47,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:22:47,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:22:47,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:47,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:47,965 INFO L137 Inliner]: procedures = 691, calls = 1690, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 667 [2022-07-21 09:22:47,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:22:47,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:22:47,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:22:47,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:22:47,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:47,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:47,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:47,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:48,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:48,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:48,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:48,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:22:48,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:22:48,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:22:48,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:22:48,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (1/1) ... [2022-07-21 09:22:48,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:22:48,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:48,108 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) [2022-07-21 09:22:48,121 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 [2022-07-21 09:22:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 09:22:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:22:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-21 09:22:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-21 09:22:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-21 09:22:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-21 09:22:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:22:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:22:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:22:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-21 09:22:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-21 09:22:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:22:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:22:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:22:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:22:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:22:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-21 09:22:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-21 09:22:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:22:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:22:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:22:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:22:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-21 09:22:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-21 09:22:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-21 09:22:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-21 09:22:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-21 09:22:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-21 09:22:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-21 09:22:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-21 09:22:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:22:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-21 09:22:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-21 09:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-21 09:22:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-21 09:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-21 09:22:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-21 09:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:22:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:22:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:22:48,473 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:22:48,474 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:22:49,228 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:22:49,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:22:49,238 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 09:22:49,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:49 BoogieIcfgContainer [2022-07-21 09:22:49,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:22:49,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:22:49,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:22:49,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:22:49,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:22:45" (1/3) ... [2022-07-21 09:22:49,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da236ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:49, skipping insertion in model container [2022-07-21 09:22:49,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:47" (2/3) ... [2022-07-21 09:22:49,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da236ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:49, skipping insertion in model container [2022-07-21 09:22:49,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:49" (3/3) ... [2022-07-21 09:22:49,247 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2022-07-21 09:22:49,259 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:22:49,260 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:22:49,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:22:49,327 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@67e425a0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@503bad9a [2022-07-21 09:22:49,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:22:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-07-21 09:22:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 09:22:49,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:49,348 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:49,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:49,353 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2022-07-21 09:22:49,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:49,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905365846] [2022-07-21 09:22:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:49,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:22:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:22:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 09:22:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 09:22:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:22:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 09:22:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 09:22:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 09:22:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 09:22:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 09:22:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 09:22:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 09:22:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 09:22:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 09:22:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 09:22:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-21 09:22:50,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:50,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905365846] [2022-07-21 09:22:50,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905365846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:50,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:50,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:22:50,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926635728] [2022-07-21 09:22:50,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:50,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:22:50,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:50,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:22:50,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:22:50,228 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 09:22:50,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:50,751 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2022-07-21 09:22:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:22:50,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-07-21 09:22:50,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:50,767 INFO L225 Difference]: With dead ends: 378 [2022-07-21 09:22:50,767 INFO L226 Difference]: Without dead ends: 194 [2022-07-21 09:22:50,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:22:50,779 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 111 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:50,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 330 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:22:50,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-21 09:22:50,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2022-07-21 09:22:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-07-21 09:22:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2022-07-21 09:22:50,838 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2022-07-21 09:22:50,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:50,838 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2022-07-21 09:22:50,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 09:22:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2022-07-21 09:22:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 09:22:50,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:50,842 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:50,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:22:50,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:50,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2022-07-21 09:22:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:50,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740916531] [2022-07-21 09:22:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:50,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:22:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:22:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 09:22:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 09:22:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:22:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 09:22:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 09:22:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 09:22:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 09:22:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 09:22:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 09:22:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 09:22:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 09:22:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 09:22:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 09:22:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-21 09:22:51,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:51,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740916531] [2022-07-21 09:22:51,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740916531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:51,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:51,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 09:22:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382177373] [2022-07-21 09:22:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:51,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 09:22:51,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:51,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 09:22:51,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:22:51,308 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 09:22:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:52,273 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2022-07-21 09:22:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 09:22:52,274 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-07-21 09:22:52,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:52,277 INFO L225 Difference]: With dead ends: 365 [2022-07-21 09:22:52,277 INFO L226 Difference]: Without dead ends: 252 [2022-07-21 09:22:52,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 09:22:52,278 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 134 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:52,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1023 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 09:22:52,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-21 09:22:52,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2022-07-21 09:22:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2022-07-21 09:22:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-07-21 09:22:52,307 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2022-07-21 09:22:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:52,308 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-07-21 09:22:52,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 09:22:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-07-21 09:22:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 09:22:52,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:52,310 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:52,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 09:22:52,311 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:52,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:52,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2022-07-21 09:22:52,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:52,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095460565] [2022-07-21 09:22:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:22:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:22:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 09:22:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 09:22:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:22:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 09:22:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 09:22:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 09:22:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 09:22:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 09:22:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 09:22:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 09:22:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 09:22:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 09:22:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 09:22:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-21 09:22:52,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:52,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095460565] [2022-07-21 09:22:52,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095460565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:52,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:52,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 09:22:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549325863] [2022-07-21 09:22:52,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:52,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 09:22:52,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:52,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 09:22:52,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:22:52,740 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-21 09:22:53,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:53,778 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2022-07-21 09:22:53,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 09:22:53,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2022-07-21 09:22:53,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:53,784 INFO L225 Difference]: With dead ends: 359 [2022-07-21 09:22:53,784 INFO L226 Difference]: Without dead ends: 252 [2022-07-21 09:22:53,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-07-21 09:22:53,804 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 110 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:53,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1154 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 09:22:53,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-21 09:22:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2022-07-21 09:22:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2022-07-21 09:22:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2022-07-21 09:22:53,835 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2022-07-21 09:22:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:53,836 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2022-07-21 09:22:53,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-21 09:22:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2022-07-21 09:22:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 09:22:53,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:53,842 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:53,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 09:22:53,845 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:53,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2022-07-21 09:22:53,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:53,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095936932] [2022-07-21 09:22:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:53,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:22:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:22:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 09:22:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 09:22:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:22:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 09:22:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 09:22:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 09:22:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 09:22:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 09:22:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 09:22:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 09:22:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 09:22:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 09:22:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 09:22:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-07-21 09:22:54,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095936932] [2022-07-21 09:22:54,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095936932] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:22:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553237575] [2022-07-21 09:22:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:54,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:54,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:54,187 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) [2022-07-21 09:22:54,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 09:22:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:54,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:22:54,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:22:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-21 09:22:54,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:22:54,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553237575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:54,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:22:54,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2022-07-21 09:22:54,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192625170] [2022-07-21 09:22:54,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:54,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:22:54,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:54,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:22:54,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:22:54,634 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 09:22:54,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:54,763 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2022-07-21 09:22:54,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:22:54,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-07-21 09:22:54,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:54,766 INFO L225 Difference]: With dead ends: 357 [2022-07-21 09:22:54,766 INFO L226 Difference]: Without dead ends: 194 [2022-07-21 09:22:54,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:22:54,768 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:54,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1002 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 09:22:54,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-21 09:22:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-07-21 09:22:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2022-07-21 09:22:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-07-21 09:22:54,797 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2022-07-21 09:22:54,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:54,797 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-07-21 09:22:54,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 09:22:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-07-21 09:22:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-21 09:22:54,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:54,799 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:54,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 09:22:55,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:55,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:55,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:55,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2022-07-21 09:22:55,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:55,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437450041] [2022-07-21 09:22:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:55,068 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:22:55,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525458780] [2022-07-21 09:22:55,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:55,071 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) [2022-07-21 09:22:55,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 09:22:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:55,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 09:22:55,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:22:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-07-21 09:22:55,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:22:55,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:55,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437450041] [2022-07-21 09:22:55,557 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:22:55,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525458780] [2022-07-21 09:22:55,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525458780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:55,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:55,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 09:22:55,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134685893] [2022-07-21 09:22:55,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:55,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:22:55,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:55,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:22:55,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 09:22:55,560 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 09:22:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:55,617 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2022-07-21 09:22:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:22:55,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2022-07-21 09:22:55,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:55,619 INFO L225 Difference]: With dead ends: 235 [2022-07-21 09:22:55,619 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 09:22:55,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-21 09:22:55,620 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:55,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 235 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 09:22:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 09:22:55,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 09:22:55,622 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) [2022-07-21 09:22:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 09:22:55,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-07-21 09:22:55,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:55,622 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 09:22:55,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 09:22:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 09:22:55,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 09:22:55,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 09:22:55,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 09:22:55,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:55,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 09:22:56,208 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:56,209 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2022-07-21 09:22:56,209 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2022-07-21 09:22:56,209 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:56,209 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2022-07-21 09:22:56,209 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2022-07-21 09:22:56,210 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2022-07-21 09:22:56,210 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2022-07-21 09:22:56,210 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2022-07-21 09:22:56,210 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2022-07-21 09:22:56,210 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2022-07-21 09:22:56,210 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2022-07-21 09:22:56,210 INFO L895 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-21 09:22:56,211 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2022-07-21 09:22:56,211 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2022-07-21 09:22:56,211 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-21 09:22:56,211 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2022-07-21 09:22:56,212 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-21 09:22:56,212 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2022-07-21 09:22:56,213 INFO L895 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-21 09:22:56,213 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2022-07-21 09:22:56,213 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2022-07-21 09:22:56,213 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2022-07-21 09:22:56,213 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2022-07-21 09:22:56,214 INFO L895 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:56,214 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2022-07-21 09:22:56,214 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2022-07-21 09:22:56,214 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2022-07-21 09:22:56,214 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2022-07-21 09:22:56,214 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2022-07-21 09:22:56,214 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2022-07-21 09:22:56,215 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2022-07-21 09:22:56,215 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2022-07-21 09:22:56,215 INFO L895 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0))) [2022-07-21 09:22:56,215 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2022-07-21 09:22:56,215 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2022-07-21 09:22:56,215 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-21 09:22:56,215 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-21 09:22:56,216 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-21 09:22:56,216 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2022-07-21 09:22:56,216 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2022-07-21 09:22:56,216 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2022-07-21 09:22:56,216 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2022-07-21 09:22:56,216 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2022-07-21 09:22:56,217 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2022-07-21 09:22:56,217 INFO L895 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:56,217 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2022-07-21 09:22:56,217 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2022-07-21 09:22:56,217 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2022-07-21 09:22:56,218 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2022-07-21 09:22:56,219 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2022-07-21 09:22:56,219 INFO L895 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:56,219 INFO L902 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2022-07-21 09:22:56,219 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2022-07-21 09:22:56,219 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2022-07-21 09:22:56,219 INFO L899 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2022-07-21 09:22:56,219 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2022-07-21 09:22:56,220 INFO L899 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2022-07-21 09:22:56,220 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2022-07-21 09:22:56,220 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2022-07-21 09:22:56,220 INFO L902 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2022-07-21 09:22:56,220 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2022-07-21 09:22:56,220 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2022-07-21 09:22:56,220 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2022-07-21 09:22:56,221 INFO L902 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2022-07-21 09:22:56,221 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2022-07-21 09:22:56,221 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2022-07-21 09:22:56,221 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2022-07-21 09:22:56,221 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2022-07-21 09:22:56,222 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2022-07-21 09:22:56,222 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2022-07-21 09:22:56,222 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2022-07-21 09:22:56,223 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2022-07-21 09:22:56,223 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2022-07-21 09:22:56,223 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2022-07-21 09:22:56,223 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2022-07-21 09:22:56,223 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2022-07-21 09:22:56,224 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2022-07-21 09:22:56,224 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2022-07-21 09:22:56,224 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2022-07-21 09:22:56,224 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2022-07-21 09:22:56,224 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2022-07-21 09:22:56,224 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2022-07-21 09:22:56,224 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:22:56,225 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-21 09:22:56,227 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 09:22:56,227 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:22:56,227 INFO L895 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2022-07-21 09:22:56,227 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-07-21 09:22:56,227 INFO L899 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2022-07-21 09:22:56,228 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-07-21 09:22:56,228 INFO L902 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2022-07-21 09:22:56,228 INFO L899 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2022-07-21 09:22:56,228 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2022-07-21 09:22:56,228 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2022-07-21 09:22:56,228 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2022-07-21 09:22:56,228 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2022-07-21 09:22:56,229 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2022-07-21 09:22:56,229 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2022-07-21 09:22:56,229 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:56,231 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-07-21 09:22:56,231 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-07-21 09:22:56,231 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2022-07-21 09:22:56,231 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2022-07-21 09:22:56,231 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2022-07-21 09:22:56,232 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2022-07-21 09:22:56,232 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2022-07-21 09:22:56,232 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2022-07-21 09:22:56,232 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2022-07-21 09:22:56,232 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2022-07-21 09:22:56,232 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2022-07-21 09:22:56,232 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 09:22:56,232 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 09:22:56,233 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2022-07-21 09:22:56,233 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2022-07-21 09:22:56,233 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2022-07-21 09:22:56,233 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2022-07-21 09:22:56,234 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2022-07-21 09:22:56,234 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2022-07-21 09:22:56,234 INFO L902 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2022-07-21 09:22:56,234 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2022-07-21 09:22:56,234 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2022-07-21 09:22:56,234 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2022-07-21 09:22:56,235 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2022-07-21 09:22:56,235 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2022-07-21 09:22:56,235 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2022-07-21 09:22:56,235 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2022-07-21 09:22:56,236 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2022-07-21 09:22:56,236 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2022-07-21 09:22:56,236 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2022-07-21 09:22:56,236 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2022-07-21 09:22:56,236 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2022-07-21 09:22:56,236 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2022-07-21 09:22:56,236 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2022-07-21 09:22:56,237 INFO L895 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2022-07-21 09:22:56,237 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2022-07-21 09:22:56,237 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2022-07-21 09:22:56,237 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2022-07-21 09:22:56,237 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-07-21 09:22:56,237 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-07-21 09:22:56,237 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2022-07-21 09:22:56,237 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2022-07-21 09:22:56,238 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2022-07-21 09:22:56,238 INFO L895 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-21 09:22:56,238 INFO L895 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-21 09:22:56,238 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-07-21 09:22:56,238 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2022-07-21 09:22:56,238 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2022-07-21 09:22:56,238 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2022-07-21 09:22:56,239 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 09:22:56,239 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2022-07-21 09:22:56,239 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2022-07-21 09:22:56,239 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2022-07-21 09:22:56,239 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2022-07-21 09:22:56,239 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2022-07-21 09:22:56,239 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2022-07-21 09:22:56,240 INFO L895 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-21 09:22:56,240 INFO L895 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-21 09:22:56,240 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2022-07-21 09:22:56,240 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 09:22:56,241 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-07-21 09:22:56,241 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-07-21 09:22:56,241 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2022-07-21 09:22:56,241 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret797#1| 0) [2022-07-21 09:22:56,241 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2022-07-21 09:22:56,242 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2022-07-21 09:22:56,242 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2022-07-21 09:22:56,242 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2022-07-21 09:22:56,242 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2022-07-21 09:22:56,242 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2022-07-21 09:22:56,242 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2022-07-21 09:22:56,243 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-07-21 09:22:56,243 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-07-21 09:22:56,243 INFO L899 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2022-07-21 09:22:56,244 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2022-07-21 09:22:56,244 INFO L902 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2022-07-21 09:22:56,244 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-21 09:22:56,244 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-21 09:22:56,244 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-21 09:22:56,245 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:22:56,245 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:22:56,245 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-21 09:22:56,248 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 09:22:56,250 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 09:22:56,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:22:56 BoogieIcfgContainer [2022-07-21 09:22:56,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 09:22:56,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 09:22:56,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 09:22:56,266 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 09:22:56,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:49" (3/4) ... [2022-07-21 09:22:56,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 09:22:56,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-07-21 09:22:56,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-21 09:22:56,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-07-21 09:22:56,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-07-21 09:22:56,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-07-21 09:22:56,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2022-07-21 09:22:56,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2022-07-21 09:22:56,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-21 09:22:56,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2022-07-21 09:22:56,296 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-07-21 09:22:56,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-07-21 09:22:56,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 09:22:56,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-21 09:22:56,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-21 09:22:56,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 09:22:56,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 09:22:56,921 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 09:22:56,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 09:22:56,922 INFO L158 Benchmark]: Toolchain (without parser) took 10972.20ms. Allocated memory was 56.6MB in the beginning and 226.5MB in the end (delta: 169.9MB). Free memory was 27.9MB in the beginning and 84.1MB in the end (delta: -56.2MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,923 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:22:56,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1797.45ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 27.7MB in the beginning and 38.6MB in the end (delta: -10.9MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.56ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 38.6MB in the beginning and 64.6MB in the end (delta: -26.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,924 INFO L158 Benchmark]: Boogie Preprocessor took 104.93ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 58.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,924 INFO L158 Benchmark]: RCFGBuilder took 1168.28ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 42.3MB in the end (delta: 16.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,924 INFO L158 Benchmark]: TraceAbstraction took 7022.73ms. Allocated memory was 104.9MB in the beginning and 226.5MB in the end (delta: 121.6MB). Free memory was 41.7MB in the beginning and 84.9MB in the end (delta: -43.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,925 INFO L158 Benchmark]: Witness Printer took 656.57ms. Allocated memory is still 226.5MB. Free memory was 84.9MB in the beginning and 84.1MB in the end (delta: 839.4kB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-07-21 09:22:56,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1797.45ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 27.7MB in the beginning and 38.6MB in the end (delta: -10.9MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 216.56ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 38.6MB in the beginning and 64.6MB in the end (delta: -26.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.93ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 58.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1168.28ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 42.3MB in the end (delta: 16.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7022.73ms. Allocated memory was 104.9MB in the beginning and 226.5MB in the end (delta: 121.6MB). Free memory was 41.7MB in the beginning and 84.9MB in the end (delta: -43.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Witness Printer took 656.57ms. Allocated memory is still 226.5MB. Free memory was 84.9MB in the beginning and 84.1MB in the end (delta: 839.4kB). Peak memory consumption was 57.5MB. 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 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 447 mSDsluCounter, 3744 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2789 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2303 IncrementalHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 955 mSDtfsCounter, 2303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, 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, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 76 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4583 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 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: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-21 09:22:56,956 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