./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_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_string_destroy_secure_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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:52:13,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:52:13,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:52:13,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:52:13,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:52:13,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:52:13,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:52:13,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:52:13,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:52:13,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:52:13,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:52:13,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:52:13,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:52:13,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:52:13,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:52:13,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:52:13,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:52:13,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:52:13,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:52:13,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:52:13,591 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:52:13,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:52:13,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:52:13,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:52:13,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:52:13,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:52:13,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:52:13,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:52:13,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:52:13,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:52:13,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:52:13,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:52:13,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:52:13,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:52:13,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:52:13,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:52:13,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:52:13,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:52:13,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:52:13,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:52:13,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:52:13,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:52:13,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:52:13,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:52:13,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:52:13,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:52:13,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:52:13,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:52:13,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:52:13,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:52:13,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:52:13,637 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:52:13,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:52:13,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:52:13,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:52:13,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:52:13,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:52:13,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:52:13,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:52:13,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:52:13,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:52:13,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:52:13,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:52:13,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:52:13,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:52:13,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:52:13,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:52:13,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:52:13,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:52:13,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:52:13,640 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:52:13,640 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:52:13,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:52:13,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2022-07-21 09:52:13,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:52:13,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:52:13,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:52:13,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:52:13,937 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:52:13,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-07-21 09:52:13,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c26081c/12e6f2ce1bfa46e9b4996e6f88a1548f/FLAG312e1c2f9 [2022-07-21 09:52:14,631 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:52:14,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-07-21 09:52:14,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c26081c/12e6f2ce1bfa46e9b4996e6f88a1548f/FLAG312e1c2f9 [2022-07-21 09:52:15,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c26081c/12e6f2ce1bfa46e9b4996e6f88a1548f [2022-07-21 09:52:15,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:52:15,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:52:15,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:52:15,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:52:15,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:52:15,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:52:15" (1/1) ... [2022-07-21 09:52:15,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e00704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:15, skipping insertion in model container [2022-07-21 09:52:15,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:52:15" (1/1) ... [2022-07-21 09:52:15,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:52:15,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:52:15,331 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_string_destroy_secure_harness.i[4499,4512] [2022-07-21 09:52:15,336 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_string_destroy_secure_harness.i[4559,4572] [2022-07-21 09:52:15,901 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,908 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,908 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,909 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,910 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,923 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,923 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,925 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:15,925 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,153 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:52:16,154 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:52:16,155 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:52:16,155 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:52:16,170 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:52:16,170 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:52:16,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:52:16,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:52:16,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:52:16,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:52:16,321 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:52:16,392 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,393 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:52:16,556 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:52:16,565 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_string_destroy_secure_harness.i[4499,4512] [2022-07-21 09:52:16,565 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_string_destroy_secure_harness.i[4559,4572] [2022-07-21 09:52:16,582 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,583 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,583 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,583 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,584 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,587 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,587 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,588 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,588 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:52:16,604 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:52:16,604 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:52:16,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:52:16,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:52:16,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:52:16,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:52:16,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:52:16,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:52:16,607 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:52:16,619 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:52:16,685 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,685 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:16,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:52:16,849 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:52:16,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16 WrapperNode [2022-07-21 09:52:16,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:52:16,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:52:16,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:52:16,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:52:16,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:16,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,017 INFO L137 Inliner]: procedures = 693, calls = 2772, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 812 [2022-07-21 09:52:17,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:52:17,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:52:17,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:52:17,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:52:17,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:52:17,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:52:17,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:52:17,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:52:17,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (1/1) ... [2022-07-21 09:52:17,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:52:17,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:17,164 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 09:52:17,215 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 09:52:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-21 09:52:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-21 09:52:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-07-21 09:52:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-07-21 09:52:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:52:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:52:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:52:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:52:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:52:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:52:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:52:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:52:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:52:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:52:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:52:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:52:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:52:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 09:52:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2022-07-21 09:52:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2022-07-21 09:52:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-21 09:52:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-21 09:52:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 09:52:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 09:52:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-07-21 09:52:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-07-21 09:52:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:52:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:52:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:52:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:52:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-21 09:52:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-21 09:52:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-21 09:52:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-21 09:52:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:52:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:52:17,512 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:52:17,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:52:18,161 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:52:18,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:52:18,166 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 09:52:18,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:52:18 BoogieIcfgContainer [2022-07-21 09:52:18,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:52:18,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:52:18,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:52:18,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:52:18,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:52:15" (1/3) ... [2022-07-21 09:52:18,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d08e6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:52:18, skipping insertion in model container [2022-07-21 09:52:18,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:16" (2/3) ... [2022-07-21 09:52:18,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d08e6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:52:18, skipping insertion in model container [2022-07-21 09:52:18,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:52:18" (3/3) ... [2022-07-21 09:52:18,173 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2022-07-21 09:52:18,182 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:52:18,183 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:52:18,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:52:18,217 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@68e6cef9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e1b8671 [2022-07-21 09:52:18,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:52:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-07-21 09:52:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 09:52:18,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:18,227 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:18,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:18,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:18,231 INFO L85 PathProgramCache]: Analyzing trace with hash 513295118, now seen corresponding path program 1 times [2022-07-21 09:52:18,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:18,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301022803] [2022-07-21 09:52:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:18,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 09:52:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:52:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 09:52:18,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:18,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301022803] [2022-07-21 09:52:18,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301022803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:18,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:18,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:52:18,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701230214] [2022-07-21 09:52:18,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:18,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:52:18,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:18,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:52:18,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:52:18,802 INFO L87 Difference]: Start difference. First operand has 104 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:52:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:18,946 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2022-07-21 09:52:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 09:52:18,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-07-21 09:52:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:18,954 INFO L225 Difference]: With dead ends: 209 [2022-07-21 09:52:18,954 INFO L226 Difference]: Without dead ends: 103 [2022-07-21 09:52:18,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:52:18,959 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 85 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:18,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 150 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 09:52:18,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-07-21 09:52:18,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2022-07-21 09:52:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-07-21 09:52:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2022-07-21 09:52:18,989 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 65 [2022-07-21 09:52:18,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:18,990 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2022-07-21 09:52:18,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:52:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2022-07-21 09:52:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 09:52:18,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:18,992 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:18,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:52:18,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:18,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:18,993 INFO L85 PathProgramCache]: Analyzing trace with hash 702801866, now seen corresponding path program 1 times [2022-07-21 09:52:18,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:18,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553419016] [2022-07-21 09:52:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 09:52:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:52:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 09:52:19,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:19,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553419016] [2022-07-21 09:52:19,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553419016] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:52:19,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941035032] [2022-07-21 09:52:19,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:19,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:19,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:19,609 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 09:52:19,636 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 09:52:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 09:52:20,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:52:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 09:52:20,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:52:20,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941035032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:20,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:52:20,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 22 [2022-07-21 09:52:20,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430177929] [2022-07-21 09:52:20,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:20,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 09:52:20,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:20,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 09:52:20,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2022-07-21 09:52:20,182 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-21 09:52:20,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:20,361 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2022-07-21 09:52:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 09:52:20,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 65 [2022-07-21 09:52:20,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:20,363 INFO L225 Difference]: With dead ends: 136 [2022-07-21 09:52:20,363 INFO L226 Difference]: Without dead ends: 117 [2022-07-21 09:52:20,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2022-07-21 09:52:20,364 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 54 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:20,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1130 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 09:52:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-07-21 09:52:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 102. [2022-07-21 09:52:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 68 states have (on average 1.1470588235294117) internal successors, (78), 68 states have internal predecessors, (78), 22 states have call successors, (22), 12 states have call predecessors, (22), 11 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-07-21 09:52:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2022-07-21 09:52:20,379 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 65 [2022-07-21 09:52:20,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:20,379 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2022-07-21 09:52:20,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-21 09:52:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2022-07-21 09:52:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 09:52:20,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:20,381 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:20,406 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 09:52:20,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:20,582 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:20,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:20,582 INFO L85 PathProgramCache]: Analyzing trace with hash 193328776, now seen corresponding path program 1 times [2022-07-21 09:52:20,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:20,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375630504] [2022-07-21 09:52:20,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:20,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 09:52:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:52:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 09:52:20,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:20,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375630504] [2022-07-21 09:52:20,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375630504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:20,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:20,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:52:20,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502619756] [2022-07-21 09:52:20,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:20,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:52:20,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:20,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:52:20,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:52:20,849 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-21 09:52:21,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:21,022 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2022-07-21 09:52:21,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:52:21,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2022-07-21 09:52:21,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:21,023 INFO L225 Difference]: With dead ends: 136 [2022-07-21 09:52:21,023 INFO L226 Difference]: Without dead ends: 103 [2022-07-21 09:52:21,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:52:21,024 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 89 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:21,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 194 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:52:21,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-07-21 09:52:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2022-07-21 09:52:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-07-21 09:52:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2022-07-21 09:52:21,032 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 65 [2022-07-21 09:52:21,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:21,033 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2022-07-21 09:52:21,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-21 09:52:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2022-07-21 09:52:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-21 09:52:21,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:21,035 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:21,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 09:52:21,035 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:21,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:21,035 INFO L85 PathProgramCache]: Analyzing trace with hash -216705520, now seen corresponding path program 1 times [2022-07-21 09:52:21,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:21,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965289155] [2022-07-21 09:52:21,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:21,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:52:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:52:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 09:52:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 09:52:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 09:52:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-21 09:52:21,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:21,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965289155] [2022-07-21 09:52:21,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965289155] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:52:21,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747807095] [2022-07-21 09:52:21,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:21,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:21,562 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 09:52:21,583 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 09:52:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:21,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2658 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 09:52:21,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:52:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-21 09:52:21,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:52:21,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747807095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:21,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:52:21,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [18] total 20 [2022-07-21 09:52:21,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610938002] [2022-07-21 09:52:21,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:21,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:52:21,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:52:21,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2022-07-21 09:52:21,993 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-21 09:52:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:22,049 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2022-07-21 09:52:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:52:22,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 96 [2022-07-21 09:52:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:22,050 INFO L225 Difference]: With dead ends: 154 [2022-07-21 09:52:22,050 INFO L226 Difference]: Without dead ends: 95 [2022-07-21 09:52:22,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2022-07-21 09:52:22,051 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 2 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:22,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 301 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 09:52:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-07-21 09:52:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-07-21 09:52:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.0952380952380953) internal successors, (69), 63 states have internal predecessors, (69), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-07-21 09:52:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2022-07-21 09:52:22,069 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 96 [2022-07-21 09:52:22,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:22,070 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2022-07-21 09:52:22,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-21 09:52:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2022-07-21 09:52:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-21 09:52:22,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:22,072 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:22,092 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 09:52:22,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-21 09:52:22,293 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:22,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:22,293 INFO L85 PathProgramCache]: Analyzing trace with hash 91273307, now seen corresponding path program 1 times [2022-07-21 09:52:22,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:22,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039431765] [2022-07-21 09:52:22,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:22,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 09:52:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 09:52:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:52:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 09:52:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 09:52:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 09:52:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 09:52:22,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:22,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039431765] [2022-07-21 09:52:22,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039431765] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:52:22,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297266884] [2022-07-21 09:52:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:22,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:22,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:22,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:52:22,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 09:52:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:23,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2686 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-21 09:52:23,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:52:23,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-21 09:52:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-21 09:52:23,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:52:23,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297266884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:23,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:52:23,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [14] total 30 [2022-07-21 09:52:23,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004631683] [2022-07-21 09:52:23,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:23,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 09:52:23,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:23,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 09:52:23,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2022-07-21 09:52:23,671 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2022-07-21 09:52:24,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:24,030 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2022-07-21 09:52:24,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 09:52:24,030 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 105 [2022-07-21 09:52:24,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:24,032 INFO L225 Difference]: With dead ends: 124 [2022-07-21 09:52:24,032 INFO L226 Difference]: Without dead ends: 96 [2022-07-21 09:52:24,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2022-07-21 09:52:24,037 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 30 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:24,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1488 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:52:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-21 09:52:24,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-21 09:52:24,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 64 states have (on average 1.09375) internal successors, (70), 64 states have internal predecessors, (70), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-07-21 09:52:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2022-07-21 09:52:24,065 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 105 [2022-07-21 09:52:24,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:24,065 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2022-07-21 09:52:24,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2022-07-21 09:52:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2022-07-21 09:52:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 09:52:24,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:24,076 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:24,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 09:52:24,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:24,297 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:24,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:24,298 INFO L85 PathProgramCache]: Analyzing trace with hash 469333189, now seen corresponding path program 1 times [2022-07-21 09:52:24,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:24,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111429425] [2022-07-21 09:52:24,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:24,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 09:52:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 09:52:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:52:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 09:52:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 09:52:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 09:52:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-21 09:52:24,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:24,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111429425] [2022-07-21 09:52:24,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111429425] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:52:24,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136332103] [2022-07-21 09:52:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:24,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:24,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:24,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:52:24,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 09:52:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:25,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 2705 conjuncts, 193 conjunts are in the unsatisfiable core [2022-07-21 09:52:25,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:52:25,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2022-07-21 09:52:25,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 09:52:25,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-07-21 09:52:25,521 INFO L356 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-07-21 09:52:25,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 28 [2022-07-21 09:52:28,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 09:52:28,265 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-21 09:52:28,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 32 [2022-07-21 09:52:28,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-07-21 09:52:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 09:52:29,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 09:52:29,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 09:52:29,216 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 09:52:29,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 31 [2022-07-21 09:52:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 09:52:29,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 09:52:30,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136332103] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:52:30,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 09:52:30,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 51] total 62 [2022-07-21 09:52:30,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667885093] [2022-07-21 09:52:30,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 09:52:30,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-07-21 09:52:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:30,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-07-21 09:52:30,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=4212, Unknown=0, NotChecked=0, Total=4422 [2022-07-21 09:52:30,119 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand has 62 states, 53 states have (on average 2.30188679245283) internal successors, (122), 46 states have internal predecessors, (122), 18 states have call successors, (32), 9 states have call predecessors, (32), 16 states have return successors, (30), 20 states have call predecessors, (30), 17 states have call successors, (30) [2022-07-21 09:52:30,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:30,942 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions. [2022-07-21 09:52:30,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 09:52:30,943 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 53 states have (on average 2.30188679245283) internal successors, (122), 46 states have internal predecessors, (122), 18 states have call successors, (32), 9 states have call predecessors, (32), 16 states have return successors, (30), 20 states have call predecessors, (30), 17 states have call successors, (30) Word has length 106 [2022-07-21 09:52:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:30,943 INFO L225 Difference]: With dead ends: 103 [2022-07-21 09:52:30,943 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 09:52:30,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1627 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=323, Invalid=5839, Unknown=0, NotChecked=0, Total=6162 [2022-07-21 09:52:30,945 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 64 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 89 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:30,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 270 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 600 Invalid, 0 Unknown, 89 Unchecked, 0.4s Time] [2022-07-21 09:52:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 09:52:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 09:52:30,947 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 09:52:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 09:52:30,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2022-07-21 09:52:30,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:30,947 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 09:52:30,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 53 states have (on average 2.30188679245283) internal successors, (122), 46 states have internal predecessors, (122), 18 states have call successors, (32), 9 states have call predecessors, (32), 16 states have return successors, (30), 20 states have call predecessors, (30), 17 states have call successors, (30) [2022-07-21 09:52:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 09:52:30,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 09:52:30,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 09:52:30,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 09:52:31,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:31,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 09:52:31,304 INFO L895 garLoopResultBuilder]: At program point L8735(line 8735) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-07-21 09:52:31,304 INFO L899 garLoopResultBuilder]: For program point L8735-1(line 8735) no Hoare annotation was computed. [2022-07-21 09:52:31,304 INFO L899 garLoopResultBuilder]: For program point aws_secure_zeroEXIT(lines 8734 8751) no Hoare annotation was computed. [2022-07-21 09:52:31,304 INFO L895 garLoopResultBuilder]: At program point aws_secure_zeroENTRY(lines 8734 8751) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-07-21 09:52:31,304 INFO L899 garLoopResultBuilder]: For program point aws_secure_zeroFINAL(lines 8734 8751) no Hoare annotation was computed. [2022-07-21 09:52:31,304 INFO L895 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (or (< 0 (+ (div (+ .cse0 (- 18446744073709551609)) 18446744073709551616) 1)) (let ((.cse1 (select (select |#memory_int| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base|) (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 8)))) (< (div (+ (- 1) .cse0 (* (- 1) .cse1)) (- 18446744073709551616)) (+ (div .cse1 18446744073709551616) 1)))) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0))) [2022-07-21 09:52:31,304 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0))) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0))) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0))) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6800 6804) the Hoare annotation is: (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|)) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-07-21 09:52:31,305 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-21 09:52:31,305 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-07-21 09:52:31,306 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L895 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: (= |old(#valid)| |#valid|) [2022-07-21 09:52:31,306 INFO L895 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7061 7074) the Hoare annotation is: (= |old(#valid)| |#valid|) [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L895 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: (= |old(#valid)| |#valid|) [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6242 6246) the Hoare annotation is: true [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L902 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2022-07-21 09:52:31,306 INFO L902 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2022-07-21 09:52:31,306 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-07-21 09:52:31,307 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L899 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2022-07-21 09:52:31,307 INFO L902 garLoopResultBuilder]: At program point L9553(line 9553) the Hoare annotation is: true [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L895 garLoopResultBuilder]: At program point L9211(line 9211) the Hoare annotation is: (and (= (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)) |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1|) (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0))) [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9211-1(line 9211) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L895 garLoopResultBuilder]: At program point L9211-2(line 9211) the Hoare annotation is: (and (= (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)) |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1|) (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0))) [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9211-3(line 9211) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L895 garLoopResultBuilder]: At program point L7118(line 7118) the Hoare annotation is: false [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9546(lines 9546 9547) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L7114(lines 7114 7122) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L7118-1(line 7118) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L902 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9546-2(lines 9546 9547) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2022-07-21 09:52:31,308 INFO L899 garLoopResultBuilder]: For program point L7119-1(line 7119) no Hoare annotation was computed. [2022-07-21 09:52:31,309 INFO L895 garLoopResultBuilder]: At program point L7119(line 7119) the Hoare annotation is: false [2022-07-21 09:52:31,309 INFO L899 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2022-07-21 09:52:31,309 INFO L895 garLoopResultBuilder]: At program point L9213(line 9213) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)))) (or (and .cse0 (not (< 0 (mod |ULTIMATE.start_aws_string_destroy_secure_harness_~len~2#1| 18446744073709551616)))) (and (= (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)) |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1|) .cse0))) [2022-07-21 09:52:31,309 INFO L899 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2022-07-21 09:52:31,309 INFO L895 garLoopResultBuilder]: At program point L9209-4(line 9209) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= (+ (* (- 256) (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)) |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1|) 0)) [2022-07-21 09:52:31,309 INFO L899 garLoopResultBuilder]: For program point L9209-5(line 9209) no Hoare annotation was computed. [2022-07-21 09:52:31,309 INFO L899 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2022-07-21 09:52:31,309 INFO L895 garLoopResultBuilder]: At program point L9209-2(line 9209) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= (+ (* (- 256) (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)) |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1|) 0)) [2022-07-21 09:52:31,309 INFO L899 garLoopResultBuilder]: For program point L7124(lines 7124 7126) no Hoare annotation was computed. [2022-07-21 09:52:31,309 INFO L899 garLoopResultBuilder]: For program point L9209-3(line 9209) no Hoare annotation was computed. [2022-07-21 09:52:31,311 INFO L899 garLoopResultBuilder]: For program point L7120-1(line 7120) no Hoare annotation was computed. [2022-07-21 09:52:31,311 INFO L895 garLoopResultBuilder]: At program point L7120(line 7120) the Hoare annotation is: false [2022-07-21 09:52:31,311 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-21 09:52:31,311 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-21 09:52:31,311 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-21 09:52:31,312 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:52:31,312 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:52:31,312 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-21 09:52:31,314 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-21 09:52:31,316 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 09:52:31,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:52:31 BoogieIcfgContainer [2022-07-21 09:52:31,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 09:52:31,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 09:52:31,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 09:52:31,327 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 09:52:31,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:52:18" (3/4) ... [2022-07-21 09:52:31,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_secure_zero [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-07-21 09:52:31,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-07-21 09:52:31,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-21 09:52:31,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-21 09:52:31,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-07-21 09:52:31,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-21 09:52:31,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-21 09:52:31,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 129 nodes and edges [2022-07-21 09:52:31,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2022-07-21 09:52:31,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-07-21 09:52:31,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 09:52:31,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-21 09:52:31,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-21 09:52:31,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 09:52:31,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 09:52:31,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\old(max_size) == max_size && !(str == 0)) && str == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && (0 < (\old(max_size) % 18446744073709551616 + -18446744073709551609) / 18446744073709551616 + 1 || (-1 + \old(max_size) % 18446744073709551616 + -1 * unknown-#memory_int-unknown[\result][\result + 8]) / -18446744073709551616 < unknown-#memory_int-unknown[\result][\result + 8] / 18446744073709551616 + 1)) && !(\result == 0)) && !(\old(max_size) == 16)) && \result == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616 [2022-07-21 09:52:31,649 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 09:52:31,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 09:52:31,649 INFO L158 Benchmark]: Toolchain (without parser) took 16631.91ms. Allocated memory was 65.0MB in the beginning and 388.0MB in the end (delta: 323.0MB). Free memory was 36.0MB in the beginning and 142.3MB in the end (delta: -106.3MB). Peak memory consumption was 214.7MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,650 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:52:31,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1830.16ms. Allocated memory was 65.0MB in the beginning and 132.1MB in the end (delta: 67.1MB). Free memory was 35.7MB in the beginning and 59.0MB in the end (delta: -23.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.24ms. Allocated memory is still 132.1MB. Free memory was 59.0MB in the beginning and 77.7MB in the end (delta: -18.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,650 INFO L158 Benchmark]: Boogie Preprocessor took 82.39ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 71.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,651 INFO L158 Benchmark]: RCFGBuilder took 1064.90ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 71.4MB in the beginning and 92.5MB in the end (delta: -21.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,651 INFO L158 Benchmark]: TraceAbstraction took 13157.60ms. Allocated memory was 172.0MB in the beginning and 388.0MB in the end (delta: 216.0MB). Free memory was 92.5MB in the beginning and 272.3MB in the end (delta: -179.8MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,651 INFO L158 Benchmark]: Witness Printer took 322.17ms. Allocated memory is still 388.0MB. Free memory was 272.3MB in the beginning and 142.3MB in the end (delta: 130.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-07-21 09:52:31,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1830.16ms. Allocated memory was 65.0MB in the beginning and 132.1MB in the end (delta: 67.1MB). Free memory was 35.7MB in the beginning and 59.0MB in the end (delta: -23.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.24ms. Allocated memory is still 132.1MB. Free memory was 59.0MB in the beginning and 77.7MB in the end (delta: -18.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.39ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 71.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1064.90ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 71.4MB in the beginning and 92.5MB in the end (delta: -21.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13157.60ms. Allocated memory was 172.0MB in the beginning and 388.0MB in the end (delta: 216.0MB). Free memory was 92.5MB in the beginning and 272.3MB in the end (delta: -179.8MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 322.17ms. Allocated memory is still 388.0MB. Free memory was 272.3MB in the beginning and 142.3MB in the end (delta: 130.0MB). Peak memory consumption was 130.0MB. 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 13 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 356 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 324 mSDsluCounter, 3533 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 89 IncrementalHoareTripleChecker+Unchecked, 2958 mSDsCounter, 184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1194 IncrementalHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 184 mSolverCounterUnsat, 575 mSDtfsCounter, 1194 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1843 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 61, 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, 6 MinimizatonAttempts, 31 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 107 PreInvPairs, 120 NumberOfFragments, 401 HoareAnnotationTreeSize, 107 FomulaSimplifications, 62 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 874 NumberOfCodeBlocks, 874 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 864 ConstructedInterpolants, 35 QuantifiedInterpolants, 5408 SizeOfPredicates, 90 NumberOfNonLiveVariables, 10595 ConjunctsInSsa, 271 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 318/396 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: (((((((\old(max_size) == max_size && !(str == 0)) && str == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && (0 < (\old(max_size) % 18446744073709551616 + -18446744073709551609) / 18446744073709551616 + 1 || (-1 + \old(max_size) % 18446744073709551616 + -1 * unknown-#memory_int-unknown[\result][\result + 8]) / -18446744073709551616 < unknown-#memory_int-unknown[\result][\result + 8] / 18446744073709551616 + 1)) && !(\result == 0)) && !(\old(max_size) == 16)) && \result == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616 RESULT: Ultimate proved your program to be correct! [2022-07-21 09:52:31,668 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