./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX --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 0.2.1-dev-f8e1c90 [2021-11-09 08:42:30,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:42:30,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:42:30,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:42:30,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:42:30,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:42:30,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:42:30,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:42:30,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:42:30,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:42:30,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:42:30,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:42:30,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:42:30,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:42:30,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:42:30,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:42:30,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:42:30,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:42:30,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:42:30,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:42:30,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:42:30,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:42:30,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:42:30,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:42:30,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:42:30,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:42:30,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:42:30,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:42:30,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:42:30,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:42:30,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:42:30,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:42:30,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:42:30,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:42:30,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:42:30,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:42:30,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:42:30,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:42:30,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:42:30,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:42:30,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:42:30,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 08:42:30,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:42:30,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:42:30,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:42:30,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:42:30,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:42:30,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:42:30,524 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:42:30,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:42:30,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:42:30,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:42:30,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:42:30,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:42:30,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:42:30,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:42:30,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:42:30,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:42:30,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:42:30,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:42:30,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:42:30,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:42:30,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:42:30,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:42:30,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:42:30,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:42:30,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:42:30,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:42:30,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:42:30,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:42:30,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:42:30,530 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-11-09 08:42:30,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:42:30,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:42:30,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:42:30,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:42:30,814 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:42:30,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-09 08:42:30,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/data/bf754c25b/fbf498b2feee4777ba2c1bfaf5c0da55/FLAGe46e07562 [2021-11-09 08:42:31,801 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:42:31,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-09 08:42:31,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/data/bf754c25b/fbf498b2feee4777ba2c1bfaf5c0da55/FLAGe46e07562 [2021-11-09 08:42:32,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/data/bf754c25b/fbf498b2feee4777ba2c1bfaf5c0da55 [2021-11-09 08:42:32,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:42:32,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:42:32,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:42:32,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:42:32,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:42:32,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:42:32" (1/1) ... [2021-11-09 08:42:32,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150cb981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:32, skipping insertion in model container [2021-11-09 08:42:32,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:42:32" (1/1) ... [2021-11-09 08:42:32,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:42:32,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:42:32,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-09 08:42:32,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-09 08:42:32,870 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-09 08:42:32,886 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-09 08:42:33,958 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,960 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,961 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,983 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:33,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:34,504 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-09 08:42:34,506 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-09 08:42:34,507 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-09 08:42:34,508 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-09 08:42:34,510 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-09 08:42:34,511 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-09 08:42:34,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-09 08:42:34,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-09 08:42:34,513 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-09 08:42:34,514 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-09 08:42:34,687 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-09 08:42:34,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:34,783 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:34,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:42:35,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:42:35,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-09 08:42:35,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-09 08:42:35,090 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-09 08:42:35,091 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-09 08:42:35,130 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,131 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,131 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,132 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,133 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,141 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,142 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,142 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-09 08:42:35,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-09 08:42:35,187 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-09 08:42:35,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-09 08:42:35,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-09 08:42:35,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-09 08:42:35,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-09 08:42:35,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-09 08:42:35,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-09 08:42:35,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-09 08:42:35,228 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-09 08:42:35,326 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,327 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:42:35,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:42:35,684 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:42:35,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35 WrapperNode [2021-11-09 08:42:35,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:42:35,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:42:35,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:42:35,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:42:35,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:35,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:35,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:42:35,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:42:35,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:42:35,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:42:35,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:35,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:35,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:35,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:36,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:36,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:36,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:36,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:42:36,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:42:36,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:42:36,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:42:36,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (1/1) ... [2021-11-09 08:42:36,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:42:36,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:42:36,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:42:36,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:42:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:42:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:42:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:42:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:42:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:42:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:42:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 08:42:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:42:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:42:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 08:42:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:42:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:42:48,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:42:48,295 INFO L299 CfgBuilder]: Removed 56 assume(true) statements. [2021-11-09 08:42:48,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:42:48 BoogieIcfgContainer [2021-11-09 08:42:48,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:42:48,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:42:48,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:42:48,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:42:48,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:42:32" (1/3) ... [2021-11-09 08:42:48,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67474a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:42:48, skipping insertion in model container [2021-11-09 08:42:48,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:35" (2/3) ... [2021-11-09 08:42:48,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67474a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:42:48, skipping insertion in model container [2021-11-09 08:42:48,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:42:48" (3/3) ... [2021-11-09 08:42:48,308 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2021-11-09 08:42:48,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:42:48,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 08:42:48,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:42:48,375 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 [2021-11-09 08:42:48,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 08:42:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 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) [2021-11-09 08:42:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-09 08:42:48,400 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:42:48,401 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:42:48,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:42:48,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash 254888643, now seen corresponding path program 1 times [2021-11-09 08:42:48,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:48,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066484940] [2021-11-09 08:42:48,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:48,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:49,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:49,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066484940] [2021-11-09 08:42:49,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066484940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:49,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:49,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:42:49,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201651372] [2021-11-09 08:42:49,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:42:49,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:49,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:42:49,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:42:49,214 INFO L87 Difference]: Start difference. First operand has 59 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 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) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-09 08:42:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:49,237 INFO L93 Difference]: Finished difference Result 114 states and 153 transitions. [2021-11-09 08:42:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:42:49,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) Word has length 29 [2021-11-09 08:42:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:42:49,248 INFO L225 Difference]: With dead ends: 114 [2021-11-09 08:42:49,248 INFO L226 Difference]: Without dead ends: 54 [2021-11-09 08:42:49,251 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:42:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-09 08:42:49,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-09 08:42:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 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) [2021-11-09 08:42:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2021-11-09 08:42:49,292 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 29 [2021-11-09 08:42:49,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:42:49,292 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2021-11-09 08:42:49,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-09 08:42:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-11-09 08:42:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-09 08:42:49,294 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:42:49,294 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:42:49,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:42:49,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:42:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:49,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1018052417, now seen corresponding path program 1 times [2021-11-09 08:42:49,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:49,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769867937] [2021-11-09 08:42:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:49,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:49,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:49,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769867937] [2021-11-09 08:42:49,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769867937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:49,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:49,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-09 08:42:49,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31828433] [2021-11-09 08:42:49,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 08:42:49,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:49,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 08:42:49,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-09 08:42:49,989 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2021-11-09 08:42:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:50,613 INFO L93 Difference]: Finished difference Result 101 states and 118 transitions. [2021-11-09 08:42:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-09 08:42:50,614 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) Word has length 29 [2021-11-09 08:42:50,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:42:50,616 INFO L225 Difference]: With dead ends: 101 [2021-11-09 08:42:50,616 INFO L226 Difference]: Without dead ends: 92 [2021-11-09 08:42:50,617 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-11-09 08:42:50,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-09 08:42:50,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 65. [2021-11-09 08:42:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.21875) internal successors, (78), 64 states have internal predecessors, (78), 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) [2021-11-09 08:42:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2021-11-09 08:42:50,651 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 29 [2021-11-09 08:42:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:42:50,652 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2021-11-09 08:42:50,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2021-11-09 08:42:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2021-11-09 08:42:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-09 08:42:50,656 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:42:50,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:42:50,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:42:50,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:42:50,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:50,658 INFO L85 PathProgramCache]: Analyzing trace with hash -261811261, now seen corresponding path program 1 times [2021-11-09 08:42:50,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:50,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363402974] [2021-11-09 08:42:50,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:50,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:51,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:51,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363402974] [2021-11-09 08:42:51,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363402974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:51,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:51,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:42:51,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68505522] [2021-11-09 08:42:51,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:42:51,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:51,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:42:51,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:42:51,084 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-11-09 08:42:51,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:51,127 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2021-11-09 08:42:51,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:42:51,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2021-11-09 08:42:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:42:51,131 INFO L225 Difference]: With dead ends: 92 [2021-11-09 08:42:51,132 INFO L226 Difference]: Without dead ends: 54 [2021-11-09 08:42:51,132 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:42:51,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-09 08:42:51,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-09 08:42:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 states have internal predecessors, (62), 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) [2021-11-09 08:42:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2021-11-09 08:42:51,148 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 29 [2021-11-09 08:42:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:42:51,149 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2021-11-09 08:42:51,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-11-09 08:42:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-11-09 08:42:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-09 08:42:51,154 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:42:51,155 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:42:51,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:42:51,155 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:42:51,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:51,157 INFO L85 PathProgramCache]: Analyzing trace with hash -262226708, now seen corresponding path program 1 times [2021-11-09 08:42:51,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:51,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459575686] [2021-11-09 08:42:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:51,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:51,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:51,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459575686] [2021-11-09 08:42:51,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459575686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:51,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:51,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-09 08:42:51,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011880409] [2021-11-09 08:42:51,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 08:42:51,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:51,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 08:42:51,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-09 08:42:51,804 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) [2021-11-09 08:42:52,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:52,330 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2021-11-09 08:42:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 08:42:52,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) Word has length 41 [2021-11-09 08:42:52,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:42:52,332 INFO L225 Difference]: With dead ends: 85 [2021-11-09 08:42:52,332 INFO L226 Difference]: Without dead ends: 54 [2021-11-09 08:42:52,333 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-09 08:42:52,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-09 08:42:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-09 08:42:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.150943396226415) internal successors, (61), 53 states have internal predecessors, (61), 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) [2021-11-09 08:42:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2021-11-09 08:42:52,340 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 41 [2021-11-09 08:42:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:42:52,340 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2021-11-09 08:42:52,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) [2021-11-09 08:42:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-09 08:42:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-09 08:42:52,342 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:42:52,343 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:42:52,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:42:52,343 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:42:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:52,344 INFO L85 PathProgramCache]: Analyzing trace with hash 737232577, now seen corresponding path program 1 times [2021-11-09 08:42:52,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:52,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992298374] [2021-11-09 08:42:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:52,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:53,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:53,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992298374] [2021-11-09 08:42:53,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992298374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:53,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:53,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:42:53,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756439796] [2021-11-09 08:42:53,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:42:53,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:53,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:42:53,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:42:53,925 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-11-09 08:42:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:54,112 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2021-11-09 08:42:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:42:54,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) Word has length 46 [2021-11-09 08:42:54,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:42:54,113 INFO L225 Difference]: With dead ends: 54 [2021-11-09 08:42:54,113 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 08:42:54,114 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-09 08:42:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 08:42:54,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 08:42:54,114 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) [2021-11-09 08:42:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 08:42:54,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-11-09 08:42:54,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:42:54,115 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:42:54,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-11-09 08:42:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:42:54,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 08:42:54,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:42:54,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:42:54,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 08:42:54,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:42:54,437 INFO L853 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-09 08:42:54,437 INFO L857 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2021-11-09 08:42:54,438 INFO L857 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-11-09 08:42:54,438 INFO L853 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-11-09 08:42:54,438 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 08:42:54,438 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 08:42:54,438 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,438 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2021-11-09 08:42:54,439 INFO L857 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2021-11-09 08:42:54,440 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,440 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,440 INFO L857 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,440 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,440 INFO L857 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,440 INFO L857 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,441 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,441 INFO L853 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= ULTIMATE.start_aws_string_destroy_secure_harness_~str~3.base 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 (* 256 (div ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 256))) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2021-11-09 08:42:54,441 INFO L857 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2021-11-09 08:42:54,441 INFO L857 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,441 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,442 INFO L857 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,442 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,442 INFO L857 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,442 INFO L857 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,442 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-09 08:42:54,442 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-09 08:42:54,443 INFO L853 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= ULTIMATE.start_aws_string_destroy_secure_harness_~str~3.base 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 (* 256 (div ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 256))) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2021-11-09 08:42:54,443 INFO L857 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-11-09 08:42:54,443 INFO L857 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-11-09 08:42:54,443 INFO L857 garLoopResultBuilder]: For program point L8734(lines 8734 8751) no Hoare annotation was computed. [2021-11-09 08:42:54,443 INFO L857 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-11-09 08:42:54,443 INFO L853 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-09 08:42:54,444 INFO L860 garLoopResultBuilder]: At program point L9553(line 9553) the Hoare annotation is: true [2021-11-09 08:42:54,444 INFO L853 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-11-09 08:42:54,444 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 08:42:54,444 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-09 08:42:54,444 INFO L853 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= ULTIMATE.start_aws_string_destroy_secure_harness_~str~3.base 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 (* 256 (div ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 256))) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2021-11-09 08:42:54,445 INFO L857 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2021-11-09 08:42:54,445 INFO L857 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-09 08:42:54,445 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-09 08:42:54,445 INFO L857 garLoopResultBuilder]: For program point L9546(lines 9546 9547) no Hoare annotation was computed. [2021-11-09 08:42:54,445 INFO L857 garLoopResultBuilder]: For program point L9546-2(lines 9546 9547) no Hoare annotation was computed. [2021-11-09 08:42:54,445 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 08:42:54,446 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-09 08:42:54,446 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-09 08:42:54,446 INFO L857 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2021-11-09 08:42:54,446 INFO L857 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2021-11-09 08:42:54,446 INFO L857 garLoopResultBuilder]: For program point L7061(lines 7061 7074) no Hoare annotation was computed. [2021-11-09 08:42:54,446 INFO L857 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2021-11-09 08:42:54,447 INFO L857 garLoopResultBuilder]: For program point L9209-2(line 9209) no Hoare annotation was computed. [2021-11-09 08:42:54,447 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-09 08:42:54,447 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-11-09 08:42:54,447 INFO L853 garLoopResultBuilder]: At program point L6245(lines 6242 6246) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= ULTIMATE.start_aws_string_destroy_secure_harness_~str~3.base 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 (* 256 (div ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0 256))) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2021-11-09 08:42:54,453 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-09 08:42:54,455 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:42:54,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:42:54 BoogieIcfgContainer [2021-11-09 08:42:54,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:42:54,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:42:54,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:42:54,473 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:42:54,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:42:48" (3/4) ... [2021-11-09 08:42:54,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 08:42:54,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2021-11-09 08:42:54,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2021-11-09 08:42:54,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-09 08:42:54,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-09 08:42:54,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-09 08:42:54,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-09 08:42:54,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-09 08:42:54,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 08:42:54,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) [2021-11-09 08:42:54,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) [2021-11-09 08:42:54,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) [2021-11-09 08:42:54,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) [2021-11-09 08:42:55,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 08:42:55,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:42:55,782 INFO L168 Benchmark]: Toolchain (without parser) took 23513.32 ms. Allocated memory was 102.8 MB in the beginning and 419.4 MB in the end (delta: 316.7 MB). Free memory was 63.8 MB in the beginning and 111.9 MB in the end (delta: -48.2 MB). Peak memory consumption was 300.3 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,782 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:42:55,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3411.37 ms. Allocated memory was 102.8 MB in the beginning and 178.3 MB in the end (delta: 75.5 MB). Free memory was 63.8 MB in the beginning and 104.3 MB in the end (delta: -40.6 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.68 ms. Allocated memory is still 178.3 MB. Free memory was 104.3 MB in the beginning and 91.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,784 INFO L168 Benchmark]: Boogie Preprocessor took 164.23 ms. Allocated memory is still 178.3 MB. Free memory was 91.7 MB in the beginning and 84.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,784 INFO L168 Benchmark]: RCFGBuilder took 12184.66 ms. Allocated memory was 178.3 MB in the beginning and 419.4 MB in the end (delta: 241.2 MB). Free memory was 84.5 MB in the beginning and 198.8 MB in the end (delta: -114.3 MB). Peak memory consumption was 224.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,785 INFO L168 Benchmark]: TraceAbstraction took 6172.61 ms. Allocated memory is still 419.4 MB. Free memory was 197.7 MB in the beginning and 195.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,785 INFO L168 Benchmark]: Witness Printer took 1307.01 ms. Allocated memory is still 419.4 MB. Free memory was 195.3 MB in the beginning and 111.9 MB in the end (delta: 83.4 MB). Peak memory consumption was 115.9 MB. Max. memory is 16.1 GB. [2021-11-09 08:42:55,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3411.37 ms. Allocated memory was 102.8 MB in the beginning and 178.3 MB in the end (delta: 75.5 MB). Free memory was 63.8 MB in the beginning and 104.3 MB in the end (delta: -40.6 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 260.68 ms. Allocated memory is still 178.3 MB. Free memory was 104.3 MB in the beginning and 91.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 164.23 ms. Allocated memory is still 178.3 MB. Free memory was 91.7 MB in the beginning and 84.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12184.66 ms. Allocated memory was 178.3 MB in the beginning and 419.4 MB in the end (delta: 241.2 MB). Free memory was 84.5 MB in the beginning and 198.8 MB in the end (delta: -114.3 MB). Peak memory consumption was 224.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6172.61 ms. Allocated memory is still 419.4 MB. Free memory was 197.7 MB in the beginning and 195.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Witness Printer took 1307.01 ms. Allocated memory is still 419.4 MB. Free memory was 195.3 MB in the beginning and 111.9 MB in the end (delta: 83.4 MB). Peak memory consumption was 115.9 MB. Max. memory is 16.1 GB. * 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 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 289 SDtfs, 847 SDslu, 322 SDs, 0 SdLazy, 87 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 122 HoareAnnotationTreeSize, 12 FomulaSimplifications, 93 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 9553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(str == 0)) && !(\result == 0)) && !(\result == 0)) && nondet_parameter == 256 * (nondet_parameter / 256)) && !(str == 0) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-09 08:42:55,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6055a0fe-cd6d-4634-9c52-24e0d31ab974/bin/uautomizer-IVEQpCNsaX/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