./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-tmp.no-commuhash-c3fed41 [2021-12-18 01:21:55,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 01:21:55,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 01:21:55,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 01:21:55,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 01:21:55,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 01:21:55,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 01:21:55,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 01:21:55,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 01:21:55,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 01:21:55,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 01:21:55,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 01:21:55,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 01:21:55,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 01:21:55,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 01:21:55,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 01:21:55,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 01:21:55,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 01:21:55,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 01:21:55,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 01:21:55,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 01:21:55,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 01:21:55,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 01:21:55,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 01:21:55,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 01:21:55,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 01:21:55,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 01:21:55,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 01:21:55,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 01:21:55,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 01:21:55,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 01:21:55,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 01:21:55,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 01:21:55,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 01:21:55,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 01:21:55,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 01:21:55,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 01:21:55,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 01:21:55,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 01:21:55,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 01:21:55,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 01:21:55,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 01:21:55,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 01:21:55,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 01:21:55,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 01:21:55,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 01:21:55,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 01:21:55,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 01:21:55,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 01:21:55,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 01:21:55,156 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 01:21:55,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 01:21:55,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 01:21:55,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 01:21:55,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 01:21:55,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 01:21:55,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 01:21:55,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 01:21:55,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 01:21:55,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 01:21:55,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 01:21:55,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 01:21:55,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 01:21:55,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:21:55,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 01:21:55,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 01:21:55,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 01:21:55,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 01:21:55,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 01:21:55,160 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 01:21:55,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 01:21:55,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 01:21:55,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 01:21:55,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-12-18 01:21:55,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 01:21:55,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 01:21:55,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 01:21:55,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 01:21:55,435 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 01:21:55,437 INFO L432 ainManager$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 [2021-12-18 01:21:55,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5207b824e/cac711a60e3f4f5dbcf6620fa2cddcae/FLAG407677619 [2021-12-18 01:21:56,316 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 01:21:56,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-12-18 01:21:56,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5207b824e/cac711a60e3f4f5dbcf6620fa2cddcae/FLAG407677619 [2021-12-18 01:21:56,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5207b824e/cac711a60e3f4f5dbcf6620fa2cddcae [2021-12-18 01:21:56,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 01:21:56,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 01:21:56,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 01:21:56,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 01:21:56,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 01:21:56,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:21:56" (1/1) ... [2021-12-18 01:21:56,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d5728e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:56, skipping insertion in model container [2021-12-18 01:21:56,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:21:56" (1/1) ... [2021-12-18 01:21:56,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 01:21:56,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 01:21:56,840 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] [2021-12-18 01:21:56,848 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] [2021-12-18 01:21:57,663 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,663 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,664 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,665 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,665 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,676 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,677 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:57,929 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:21:57,931 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:21:57,931 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:21:57,932 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:21:57,934 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:21:57,934 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:21:57,935 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:21:57,935 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:21:57,936 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:21:57,936 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:21:58,037 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:21:58,121 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,121 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:21:58,318 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 01:21:58,340 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] [2021-12-18 01:21:58,341 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] [2021-12-18 01:21:58,383 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,386 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,395 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,396 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,397 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,429 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:21:58,430 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:21:58,431 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:21:58,431 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:21:58,432 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:21:58,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:21:58,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:21:58,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:21:58,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:21:58,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:21:58,453 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:21:58,500 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,500 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:58,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:21:58,802 INFO L208 MainTranslator]: Completed translation [2021-12-18 01:21:58,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58 WrapperNode [2021-12-18 01:21:58,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 01:21:58,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 01:21:58,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 01:21:58,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 01:21:58,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:58,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:58,984 INFO L137 Inliner]: procedures = 693, calls = 2772, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 812 [2021-12-18 01:21:58,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 01:21:58,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 01:21:58,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 01:21:58,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 01:21:58,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:58,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 01:21:59,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 01:21:59,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 01:21:59,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 01:21:59,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (1/1) ... [2021-12-18 01:21:59,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:21:59,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:21:59,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 01:21:59,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 01:21:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-18 01:21:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-18 01:21:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-18 01:21:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-18 01:21:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 01:21:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-18 01:21:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-18 01:21:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 01:21:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 01:21:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 01:21:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 01:21:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 01:21:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 01:21:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 01:21:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 01:21:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 01:21:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 01:21:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 01:21:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2021-12-18 01:21:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2021-12-18 01:21:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-18 01:21:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-18 01:21:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 01:21:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 01:21:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-18 01:21:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-18 01:21:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 01:21:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 01:21:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 01:21:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 01:21:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 01:21:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 01:21:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-18 01:21:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-18 01:21:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 01:21:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 01:21:59,475 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 01:21:59,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 01:22:00,175 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 01:22:00,181 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 01:22:00,182 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 01:22:00,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:22:00 BoogieIcfgContainer [2021-12-18 01:22:00,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 01:22:00,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 01:22:00,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 01:22:00,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 01:22:00,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:21:56" (1/3) ... [2021-12-18 01:22:00,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59da2f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:22:00, skipping insertion in model container [2021-12-18 01:22:00,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:58" (2/3) ... [2021-12-18 01:22:00,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59da2f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:22:00, skipping insertion in model container [2021-12-18 01:22:00,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:22:00" (3/3) ... [2021-12-18 01:22:00,193 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2021-12-18 01:22:00,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 01:22:00,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 01:22:00,250 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 01:22:00,261 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 01:22:00,262 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 01:22:00,280 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) [2021-12-18 01:22:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-18 01:22:00,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:22:00,287 INFO L514 BasicCegarLoop]: 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] [2021-12-18 01:22:00,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:22:00,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:22:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash 513295118, now seen corresponding path program 1 times [2021-12-18 01:22:00,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:22:00,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585109209] [2021-12-18 01:22:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:00,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:22:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:22:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 01:22:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 01:22:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:22:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:22:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 01:22:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:22:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 01:22:00,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:22:00,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585109209] [2021-12-18 01:22:00,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585109209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:22:00,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:22:00,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 01:22:00,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898223905] [2021-12-18 01:22:00,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:22:00,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 01:22:00,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:22:00,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 01:22:00,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-18 01:22:00,964 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) [2021-12-18 01:22:01,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:22:01,166 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2021-12-18 01:22:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 01:22:01,171 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 [2021-12-18 01:22:01,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:22:01,178 INFO L225 Difference]: With dead ends: 209 [2021-12-18 01:22:01,181 INFO L226 Difference]: Without dead ends: 103 [2021-12-18 01:22:01,185 INFO L932 BasicCegarLoop]: 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 [2021-12-18 01:22:01,193 INFO L933 BasicCegarLoop]: 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, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:22:01,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 150 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 01:22:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-18 01:22:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2021-12-18 01:22:01,250 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) [2021-12-18 01:22:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2021-12-18 01:22:01,259 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 65 [2021-12-18 01:22:01,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:22:01,260 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2021-12-18 01:22:01,261 INFO L471 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) [2021-12-18 01:22:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-12-18 01:22:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-18 01:22:01,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:22:01,267 INFO L514 BasicCegarLoop]: 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] [2021-12-18 01:22:01,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 01:22:01,267 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:22:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:22:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash 702801866, now seen corresponding path program 1 times [2021-12-18 01:22:01,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:22:01,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392528265] [2021-12-18 01:22:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:01,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:22:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:22:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 01:22:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 01:22:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:22:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:22:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 01:22:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:22:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 01:22:02,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:22:02,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392528265] [2021-12-18 01:22:02,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392528265] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:22:02,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088094428] [2021-12-18 01:22:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:02,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:22:02,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:22:02,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:22:02,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 01:22:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:02,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 01:22:02,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:22:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 01:22:02,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:22:02,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088094428] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:22:02,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:22:02,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 22 [2021-12-18 01:22:02,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342667288] [2021-12-18 01:22:02,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:22:02,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 01:22:02,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:22:02,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 01:22:02,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-12-18 01:22:02,845 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) [2021-12-18 01:22:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:22:03,019 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2021-12-18 01:22:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 01:22:03,020 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 [2021-12-18 01:22:03,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:22:03,022 INFO L225 Difference]: With dead ends: 136 [2021-12-18 01:22:03,023 INFO L226 Difference]: Without dead ends: 117 [2021-12-18 01:22:03,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2021-12-18 01:22:03,024 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 54 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:22:03,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 1161 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 01:22:03,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-18 01:22:03,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 102. [2021-12-18 01:22:03,037 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) [2021-12-18 01:22:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2021-12-18 01:22:03,038 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 65 [2021-12-18 01:22:03,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:22:03,039 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2021-12-18 01:22:03,039 INFO L471 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) [2021-12-18 01:22:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2021-12-18 01:22:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-18 01:22:03,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:22:03,041 INFO L514 BasicCegarLoop]: 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] [2021-12-18 01:22:03,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 01:22:03,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:22:03,268 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:22:03,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:22:03,269 INFO L85 PathProgramCache]: Analyzing trace with hash 193328776, now seen corresponding path program 1 times [2021-12-18 01:22:03,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:22:03,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370133655] [2021-12-18 01:22:03,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:03,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:22:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:22:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 01:22:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 01:22:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:22:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:22:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 01:22:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:22:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 01:22:03,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:22:03,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370133655] [2021-12-18 01:22:03,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370133655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:22:03,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:22:03,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 01:22:03,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988709991] [2021-12-18 01:22:03,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:22:03,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 01:22:03,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:22:03,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 01:22:03,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:22:03,578 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) [2021-12-18 01:22:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:22:03,791 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2021-12-18 01:22:03,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 01:22:03,792 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 [2021-12-18 01:22:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:22:03,795 INFO L225 Difference]: With dead ends: 136 [2021-12-18 01:22:03,795 INFO L226 Difference]: Without dead ends: 103 [2021-12-18 01:22:03,795 INFO L932 BasicCegarLoop]: 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 [2021-12-18 01:22:03,796 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 89 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:22:03,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 209 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 01:22:03,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-18 01:22:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2021-12-18 01:22:03,808 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) [2021-12-18 01:22:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2021-12-18 01:22:03,808 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 65 [2021-12-18 01:22:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:22:03,809 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2021-12-18 01:22:03,809 INFO L471 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) [2021-12-18 01:22:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2021-12-18 01:22:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-18 01:22:03,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:22:03,811 INFO L514 BasicCegarLoop]: 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] [2021-12-18 01:22:03,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 01:22:03,811 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:22:03,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:22:03,811 INFO L85 PathProgramCache]: Analyzing trace with hash -216705520, now seen corresponding path program 1 times [2021-12-18 01:22:03,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:22:03,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710631009] [2021-12-18 01:22:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:03,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:22:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:22:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 01:22:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 01:22:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:22:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:22:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 01:22:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:22:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 01:22:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 01:22:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 01:22:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-18 01:22:04,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:22:04,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710631009] [2021-12-18 01:22:04,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710631009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:22:04,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:22:04,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-18 01:22:04,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910120015] [2021-12-18 01:22:04,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:22:04,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 01:22:04,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:22:04,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 01:22:04,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-12-18 01:22:04,216 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 10 states have internal predecessors, (53), 4 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-18 01:22:04,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:22:04,774 INFO L93 Difference]: Finished difference Result 162 states and 185 transitions. [2021-12-18 01:22:04,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 01:22:04,775 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 10 states have internal predecessors, (53), 4 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 96 [2021-12-18 01:22:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:22:04,776 INFO L225 Difference]: With dead ends: 162 [2021-12-18 01:22:04,776 INFO L226 Difference]: Without dead ends: 103 [2021-12-18 01:22:04,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2021-12-18 01:22:04,778 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 85 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:22:04,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 564 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 01:22:04,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-18 01:22:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2021-12-18 01:22:04,788 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) [2021-12-18 01:22:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-12-18 01:22:04,789 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 96 [2021-12-18 01:22:04,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:22:04,790 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-12-18 01:22:04,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 10 states have internal predecessors, (53), 4 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-18 01:22:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-12-18 01:22:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-18 01:22:04,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:22:04,792 INFO L514 BasicCegarLoop]: 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] [2021-12-18 01:22:04,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 01:22:04,793 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:22:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:22:04,793 INFO L85 PathProgramCache]: Analyzing trace with hash 91273307, now seen corresponding path program 1 times [2021-12-18 01:22:04,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:22:04,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501446578] [2021-12-18 01:22:04,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:04,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:22:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:22:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 01:22:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 01:22:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:22:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:22:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 01:22:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 01:22:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:22:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 01:22:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 01:22:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 01:22:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-18 01:22:05,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:22:05,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501446578] [2021-12-18 01:22:05,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501446578] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:22:05,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206851828] [2021-12-18 01:22:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:05,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:22:05,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:22:05,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:22:05,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 01:22:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:05,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 2686 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-18 01:22:05,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:22:06,282 INFO L388 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 [2021-12-18 01:22:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-18 01:22:06,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:22:06,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206851828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:22:06,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:22:06,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [14] total 30 [2021-12-18 01:22:06,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691905181] [2021-12-18 01:22:06,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:22:06,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 01:22:06,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:22:06,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 01:22:06,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2021-12-18 01:22:06,503 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) [2021-12-18 01:22:06,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:22:06,913 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2021-12-18 01:22:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 01:22:06,914 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 [2021-12-18 01:22:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:22:06,915 INFO L225 Difference]: With dead ends: 124 [2021-12-18 01:22:06,915 INFO L226 Difference]: Without dead ends: 96 [2021-12-18 01:22:06,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-12-18 01:22:06,917 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 30 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:22:06,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 1560 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 01:22:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-18 01:22:06,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-18 01:22:06,930 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) [2021-12-18 01:22:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2021-12-18 01:22:06,931 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 105 [2021-12-18 01:22:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:22:06,932 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2021-12-18 01:22:06,932 INFO L471 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) [2021-12-18 01:22:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-12-18 01:22:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 01:22:06,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:22:06,933 INFO L514 BasicCegarLoop]: 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] [2021-12-18 01:22:06,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 01:22:07,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:22:07,160 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:22:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:22:07,161 INFO L85 PathProgramCache]: Analyzing trace with hash 469333189, now seen corresponding path program 1 times [2021-12-18 01:22:07,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:22:07,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541466075] [2021-12-18 01:22:07,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:07,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:22:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:22:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 01:22:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 01:22:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:22:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:22:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 01:22:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 01:22:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:22:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 01:22:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:22:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 01:22:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 01:22:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-18 01:22:07,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:22:07,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541466075] [2021-12-18 01:22:07,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541466075] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:22:07,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658033138] [2021-12-18 01:22:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:22:07,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:22:07,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:22:07,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:22:07,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 01:22:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:22:08,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2705 conjuncts, 191 conjunts are in the unsatisfiable core [2021-12-18 01:22:08,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:22:08,580 INFO L388 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 58 treesize of output 53 [2021-12-18 01:22:08,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:22:08,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:22:08,602 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-18 01:22:08,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 66 [2021-12-18 01:22:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:22:08,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-12-18 01:22:08,700 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-18 01:22:08,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 51 [2021-12-18 01:22:12,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:22:12,378 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-18 01:22:12,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 32 [2021-12-18 01:22:12,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 01:22:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:22:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:22:13,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:22:13,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-18 01:22:13,456 INFO L388 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 51 treesize of output 30 [2021-12-18 01:22:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 01:22:13,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:22:14,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658033138] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:22:14,863 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:22:14,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 51] total 62 [2021-12-18 01:22:14,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075022317] [2021-12-18 01:22:14,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:22:14,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-12-18 01:22:14,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:22:14,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-12-18 01:22:14,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=4212, Unknown=0, NotChecked=0, Total=4422 [2021-12-18 01:22:14,866 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) [2021-12-18 01:22:15,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:22:15,834 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions. [2021-12-18 01:22:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 01:22:15,835 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 [2021-12-18 01:22:15,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:22:15,835 INFO L225 Difference]: With dead ends: 103 [2021-12-18 01:22:15,835 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 01:22:15,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 80 SyntacticMatches, 5 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=323, Invalid=5839, Unknown=0, NotChecked=0, Total=6162 [2021-12-18 01:22:15,838 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 46 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 174 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 01:22:15,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 368 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 610 Invalid, 0 Unknown, 174 Unchecked, 0.5s Time] [2021-12-18 01:22:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 01:22:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 01:22:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 01:22:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 01:22:15,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2021-12-18 01:22:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:22:15,839 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 01:22:15,840 INFO L471 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) [2021-12-18 01:22:15,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 01:22:15,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 01:22:15,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 01:22:15,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 01:22:16,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:22:16,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-18 01:22:16,262 INFO L854 garLoopResultBuilder]: At program point L8735(line 8735) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-18 01:22:16,262 INFO L858 garLoopResultBuilder]: For program point L8735-1(line 8735) no Hoare annotation was computed. [2021-12-18 01:22:16,262 INFO L858 garLoopResultBuilder]: For program point aws_secure_zeroEXIT(lines 8734 8751) no Hoare annotation was computed. [2021-12-18 01:22:16,262 INFO L854 garLoopResultBuilder]: At program point aws_secure_zeroENTRY(lines 8734 8751) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-18 01:22:16,262 INFO L858 garLoopResultBuilder]: For program point aws_secure_zeroFINAL(lines 8734 8751) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L854 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 (not (= 16 |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) (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|) 8))) (< (div (+ .cse0 (* .cse1 (- 1)) (- 1)) (- 18446744073709551616)) (+ (div .cse1 18446744073709551616) 1)))) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (not (= 0 |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| 0) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-18 01:22:16,263 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L854 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 (= |#memory_int| |old(#memory_int)|) (not (= 16 |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-18 01:22:16,263 INFO L858 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L854 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 (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-18 01:22:16,263 INFO L858 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L854 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 (= |#memory_int| |old(#memory_int)|) (not (= 16 |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-18 01:22:16,263 INFO L858 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-18 01:22:16,263 INFO L854 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6800 6804) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-18 01:22:16,263 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L858 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-12-18 01:22:16,263 INFO L854 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|)) [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |bounded_malloc_#in~size| bounded_malloc_~size)) [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-18 01:22:16,264 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2021-12-18 01:22:16,264 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L854 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: (= |#valid| |old(#valid)|) [2021-12-18 01:22:16,265 INFO L854 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7061 7074) the Hoare annotation is: (= |#valid| |old(#valid)|) [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L854 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: (= |#valid| |old(#valid)|) [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L861 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6242 6246) the Hoare annotation is: true [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L861 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L861 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-18 01:22:16,265 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-12-18 01:22:16,266 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L858 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-12-18 01:22:16,266 INFO L861 garLoopResultBuilder]: At program point L9553(line 9553) the Hoare annotation is: true [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L854 garLoopResultBuilder]: At program point L9211(line 9211) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L9211-1(line 9211) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L854 garLoopResultBuilder]: At program point L9211-2(line 9211) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L9211-3(line 9211) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L854 garLoopResultBuilder]: At program point L7118(line 7118) the Hoare annotation is: false [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L9546(lines 9546 9547) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L7114(lines 7114 7122) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L7118-1(line 7118) no Hoare annotation was computed. [2021-12-18 01:22:16,267 INFO L861 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2021-12-18 01:22:16,267 INFO L858 garLoopResultBuilder]: For program point L9546-2(lines 9546 9547) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L7119-1(line 7119) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L854 garLoopResultBuilder]: At program point L7119(line 7119) the Hoare annotation is: false [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L854 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 (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) (and (<= (mod |ULTIMATE.start_aws_string_destroy_secure_harness_~len~2#1| 18446744073709551616) 0) (= |ULTIMATE.start_aws_string_destroy_secure_harness_#t~ite1347#1.offset| 0) .cse0 (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.offset| 0)))) [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L854 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)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L9209-5(line 9209) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L858 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2021-12-18 01:22:16,268 INFO L854 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)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point L7124(lines 7124 7126) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point L9209-3(line 9209) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point L7120-1(line 7120) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L854 garLoopResultBuilder]: At program point L7120(line 7120) the Hoare annotation is: false [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-18 01:22:16,269 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-18 01:22:16,274 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-18 01:22:16,276 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 01:22:16,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:22:16 BoogieIcfgContainer [2021-12-18 01:22:16,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 01:22:16,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 01:22:16,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 01:22:16,289 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 01:22:16,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:22:00" (3/4) ... [2021-12-18 01:22:16,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-18 01:22:16,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_secure_zero [2021-12-18 01:22:16,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-18 01:22:16,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-18 01:22:16,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-18 01:22:16,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 129 nodes and edges [2021-12-18 01:22:16,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2021-12-18 01:22:16,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-18 01:22:16,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-18 01:22:16,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-18 01:22:16,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-18 01:22:16,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-18 01:22:16,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-18 01:22:16,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(16 == \old(max_size)) && (0 < (\old(max_size) % 18446744073709551616 + -18446744073709551609) / 18446744073709551616 + 1 || (\old(max_size) % 18446744073709551616 + unknown-#memory_int-unknown[\result][8] * -1 + -1) / -18446744073709551616 < unknown-#memory_int-unknown[\result][8] / 18446744073709551616 + 1)) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && !(0 == str)) && str == 0) && max_size == \old(max_size)) && !(0 == \result)) && \result == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616 [2021-12-18 01:22:17,177 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 01:22:17,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 01:22:17,178 INFO L158 Benchmark]: Toolchain (without parser) took 20691.65ms. Allocated memory was 109.1MB in the beginning and 423.6MB in the end (delta: 314.6MB). Free memory was 69.9MB in the beginning and 335.2MB in the end (delta: -265.3MB). Peak memory consumption was 294.8MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,178 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 01:22:17,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2315.03ms. Allocated memory was 109.1MB in the beginning and 245.4MB in the end (delta: 136.3MB). Free memory was 69.9MB in the beginning and 191.3MB in the end (delta: -121.4MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.68ms. Allocated memory is still 245.4MB. Free memory was 191.3MB in the beginning and 179.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,178 INFO L158 Benchmark]: Boogie Preprocessor took 117.34ms. Allocated memory is still 245.4MB. Free memory was 179.8MB in the beginning and 173.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,179 INFO L158 Benchmark]: RCFGBuilder took 1079.76ms. Allocated memory is still 245.4MB. Free memory was 173.5MB in the beginning and 115.7MB in the end (delta: 57.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,179 INFO L158 Benchmark]: TraceAbstraction took 16103.15ms. Allocated memory was 245.4MB in the beginning and 423.6MB in the end (delta: 178.3MB). Free memory was 114.6MB in the beginning and 166.0MB in the end (delta: -51.4MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,179 INFO L158 Benchmark]: Witness Printer took 888.61ms. Allocated memory is still 423.6MB. Free memory was 166.0MB in the beginning and 335.2MB in the end (delta: -169.2MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2021-12-18 01:22:17,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2315.03ms. Allocated memory was 109.1MB in the beginning and 245.4MB in the end (delta: 136.3MB). Free memory was 69.9MB in the beginning and 191.3MB in the end (delta: -121.4MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.68ms. Allocated memory is still 245.4MB. Free memory was 191.3MB in the beginning and 179.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.34ms. Allocated memory is still 245.4MB. Free memory was 179.8MB in the beginning and 173.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1079.76ms. Allocated memory is still 245.4MB. Free memory was 173.5MB in the beginning and 115.7MB in the end (delta: 57.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * TraceAbstraction took 16103.15ms. Allocated memory was 245.4MB in the beginning and 423.6MB in the end (delta: 178.3MB). Free memory was 114.6MB in the beginning and 166.0MB in the end (delta: -51.4MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Witness Printer took 888.61ms. Allocated memory is still 423.6MB. Free memory was 166.0MB in the beginning and 335.2MB in the end (delta: -169.2MB). Peak memory consumption was 76.8MB. 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: 16.0s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 429 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 4012 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 174 IncrementalHoareTripleChecker+Unchecked, 3457 mSDsCounter, 219 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1713 IncrementalHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 219 mSolverCounterUnsat, 555 mSDtfsCounter, 1713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 338 SyntacticMatches, 6 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 71, 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, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 107 PreInvPairs, 120 NumberOfFragments, 398 HoareAnnotationTreeSize, 107 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 228 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 778 NumberOfCodeBlocks, 778 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 769 ConstructedInterpolants, 35 QuantifiedInterpolants, 5109 SizeOfPredicates, 87 NumberOfNonLiveVariables, 7937 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 293/353 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: (((((((!(16 == \old(max_size)) && (0 < (\old(max_size) % 18446744073709551616 + -18446744073709551609) / 18446744073709551616 + 1 || (\old(max_size) % 18446744073709551616 + unknown-#memory_int-unknown[\result][8] * -1 + -1) / -18446744073709551616 < unknown-#memory_int-unknown[\result][8] / 18446744073709551616 + 1)) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && !(0 == str)) && str == 0) && max_size == \old(max_size)) && !(0 == \result)) && \result == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616 RESULT: Ultimate proved your program to be correct! [2021-12-18 01:22:17,202 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