./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:21:26,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:21:26,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:21:26,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:21:26,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:21:26,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:21:26,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:21:26,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:21:26,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:21:26,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:21:26,188 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:21:26,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:21:26,188 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:21:26,189 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:21:26,189 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:21:26,190 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:21:26,190 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:21:26,191 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:21:26,191 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:21:26,192 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:21:26,192 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:21:26,193 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:21:26,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:21:26,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:21:26,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:21:26,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:21:26,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:21:26,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:21:26,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:21:26,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:21:26,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:21:26,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:21:26,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:21:26,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:21:26,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:21:26,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:21:26,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:21:26,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:21:26,199 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:21:26,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:21:26,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:21:26,200 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:21:26,200 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:21:26,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:21:26,200 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2023-12-02 15:21:26,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:21:26,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:21:26,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:21:26,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:21:26,447 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:21:26,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2023-12-02 15:21:29,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:21:29,707 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:21:29,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2023-12-02 15:21:29,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/data/68f86edd7/4cac77bd638d4819a9449a632c5875e3/FLAG230edc72b [2023-12-02 15:21:29,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/data/68f86edd7/4cac77bd638d4819a9449a632c5875e3 [2023-12-02 15:21:29,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:21:29,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:21:29,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:21:29,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:21:29,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:21:29,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:29" (1/1) ... [2023-12-02 15:21:29,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314961d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:29, skipping insertion in model container [2023-12-02 15:21:29,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:29" (1/1) ... [2023-12-02 15:21:29,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:21:30,056 WARN L240 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_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2023-12-02 15:21:30,062 WARN L240 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_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2023-12-02 15:21:30,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,757 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,759 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,760 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,775 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,776 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,778 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,779 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,780 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,781 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,782 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:30,782 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,169 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:21:31,171 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:21:31,172 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:21:31,174 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:21:31,176 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:21:31,176 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:21:31,177 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:21:31,178 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:21:31,179 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:21:31,180 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:21:31,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:21:31,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:21:31,397 WARN L240 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_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2023-12-02 15:21:31,397 WARN L240 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_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2023-12-02 15:21:31,440 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,440 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,440 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,441 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,442 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,453 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,453 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,454 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,455 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,456 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,457 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,457 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,457 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:21:31,494 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:21:31,495 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:21:31,496 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:21:31,497 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:21:31,498 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:21:31,498 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:21:31,499 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:21:31,500 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:21:31,500 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:21:31,501 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:21:31,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:21:31,729 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,729 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,729 WARN L675 CHandler]: The function aws_last_error is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,729 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,729 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,730 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,731 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,731 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:21:31,739 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:21:31,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31 WrapperNode [2023-12-02 15:21:31,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:21:31,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:21:31,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:21:31,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:21:31,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,835 INFO L138 Inliner]: procedures = 678, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 58 [2023-12-02 15:21:31,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:21:31,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:21:31,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:21:31,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:21:31,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:21:31,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:21:31,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:21:31,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:21:31,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (1/1) ... [2023-12-02 15:21:31,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:21:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:21:31,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:21:31,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:21:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-12-02 15:21:31,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-12-02 15:21:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 15:21:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 15:21:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:21:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:21:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 15:21:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 15:21:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-12-02 15:21:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-12-02 15:21:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:21:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:21:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:21:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 15:21:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 15:21:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 15:21:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 15:21:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:21:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:21:32,150 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:21:32,152 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:21:32,307 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:21:32,382 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:21:32,383 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:21:32,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:32 BoogieIcfgContainer [2023-12-02 15:21:32,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:21:32,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:21:32,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:21:32,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:21:32,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:21:29" (1/3) ... [2023-12-02 15:21:32,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e675313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:21:32, skipping insertion in model container [2023-12-02 15:21:32,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:31" (2/3) ... [2023-12-02 15:21:32,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e675313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:21:32, skipping insertion in model container [2023-12-02 15:21:32,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:32" (3/3) ... [2023-12-02 15:21:32,392 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2023-12-02 15:21:32,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:21:32,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:21:32,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:21:32,453 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5897523c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:21:32,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:21:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 15:21:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 15:21:32,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:21:32,465 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:21:32,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:21:32,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:21:32,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1801210406, now seen corresponding path program 1 times [2023-12-02 15:21:32,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:21:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113056679] [2023-12-02 15:21:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:32,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:21:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 15:21:33,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:21:33,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113056679] [2023-12-02 15:21:33,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113056679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:21:33,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:21:33,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 15:21:33,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469511049] [2023-12-02 15:21:33,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:21:33,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 15:21:33,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:21:33,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 15:21:33,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:21:33,575 INFO L87 Difference]: Start difference. First operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 15:21:33,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:21:33,840 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2023-12-02 15:21:33,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 15:21:33,843 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 36 [2023-12-02 15:21:33,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:21:33,850 INFO L225 Difference]: With dead ends: 61 [2023-12-02 15:21:33,850 INFO L226 Difference]: Without dead ends: 44 [2023-12-02 15:21:33,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-02 15:21:33,857 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 9 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:21:33,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 306 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:21:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-02 15:21:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-02 15:21:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:21:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2023-12-02 15:21:33,898 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 36 [2023-12-02 15:21:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:21:33,900 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2023-12-02 15:21:33,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 15:21:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-12-02 15:21:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 15:21:33,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:21:33,903 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-02 15:21:33,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:21:33,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:21:33,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:21:33,904 INFO L85 PathProgramCache]: Analyzing trace with hash -857326607, now seen corresponding path program 1 times [2023-12-02 15:21:33,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:21:33,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062989894] [2023-12-02 15:21:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:21:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:21:37,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:21:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062989894] [2023-12-02 15:21:37,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062989894] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:21:37,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262658196] [2023-12-02 15:21:37,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:37,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:21:37,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:21:37,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:21:37,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:21:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:37,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 91 conjunts are in the unsatisfiable core [2023-12-02 15:21:37,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:21:37,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:21:41,821 INFO L349 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2023-12-02 15:21:41,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 228 treesize of output 188 [2023-12-02 15:21:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:21:42,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:21:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:21:47,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262658196] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:21:47,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [366605329] [2023-12-02 15:21:47,775 INFO L159 IcfgInterpreter]: Started Sifa with 38 locations of interest [2023-12-02 15:21:47,776 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:21:47,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:21:47,782 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:21:47,782 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:21:49,144 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 213 for LOIs [2023-12-02 15:21:50,388 INFO L197 IcfgInterpreter]: Interpreting procedure aws_string_bytes with input of size 122 for LOIs [2023-12-02 15:21:50,649 INFO L197 IcfgInterpreter]: Interpreting procedure aws_string_is_valid with input of size 130 for LOIs [2023-12-02 15:21:50,714 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 10 for LOIs [2023-12-02 15:21:50,716 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 78 for LOIs [2023-12-02 15:21:50,723 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 117 for LOIs [2023-12-02 15:21:51,200 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2023-12-02 15:21:51,202 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:22:34,631 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '524#(and (exists ((|v_ULTIMATE.start_ensure_string_is_allocated_#t~ret569#1_17| Int)) (= (mod |v_ULTIMATE.start_ensure_string_is_allocated_#t~ret569#1_17| 256) 0)) (<= 1 |#StackHeapBarrier|) (= |~#s_can_fail_allocator_static~0.base| 4) (= (mod __VERIFIER_assert_~cond 256) 0) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_aws_string_bytes_#t~ret495_20| Int)) (not (= (mod |v_aws_string_bytes_#t~ret495_20| 256) 0))) (exists ((|v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| Int) (|v_#memory_$Pointer$.base_30| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_30| (Array Int (Array Int Int))) (|v_#memory_real_25| (Array Int (Array Int Real))) (|v_#memory_real_26| (Array Int (Array Int Real))) (|v_#memory_real_37| (Array Int (Array Int Real))) (|v_#memory_$Pointer$.offset_23| (Array Int (Array Int Int))) (|v_#memory_int_25| (Array Int (Array Int Int))) (|v_#memory_int_49| (Array Int (Array Int Int))) (|v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| Int) (|v_#memory_$Pointer$.base_23| (Array Int (Array Int Int)))) (and (= (store |v_#memory_$Pointer$.offset_30| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (store (select |v_#memory_$Pointer$.offset_30| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 0 0) 8 (select (select |v_#memory_$Pointer$.offset_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 8))) |v_#memory_$Pointer$.offset_23|) (= (store |v_#memory_$Pointer$.base_30| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (store (select |v_#memory_$Pointer$.base_30| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 0 0) 8 (select (select |v_#memory_$Pointer$.base_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 8))) |v_#memory_$Pointer$.base_23|) (= |v_#memory_int_25| (store |v_#memory_int_49| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_int_49| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 0 (select (select |v_#memory_int_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 0)))) (or (and (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.offset_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600)))))) (<= 9223372036854775808 (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616))) (and (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.offset_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16))))) (<= (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 9223372036854775807))) (or (and (<= (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 9223372036854775807) (= |#memory_real| (store |v_#memory_real_26| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_real_26| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16) (select (select |#memory_real| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16)))))) (and (= (store |v_#memory_real_26| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_real_26| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600)) (select (select |#memory_real| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600))))) |#memory_real|) (<= 9223372036854775808 (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616)))) (= |v_#memory_real_25| (store |v_#memory_real_37| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_real_37| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 0 (select (select |v_#memory_real_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 0)))) (or (and (<= 9223372036854775808 (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616)) (= |#memory_int| (store |v_#memory_int_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (store (select |v_#memory_int_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 8 |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600)) 0)))) (and (= |#memory_int| (store |v_#memory_int_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (store (select |v_#memory_int_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 8 |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16) 0))) (<= (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 9223372036854775807))) (or (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.base_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600)) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) (- 18446744073709551600)))))) (<= 9223372036854775808 (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616))) (and (<= (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 9223372036854775807) (= (store |v_#memory_$Pointer$.base_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.base_23| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) (+ (mod |v_ULTIMATE.start_ensure_string_is_allocated_~len#1_19| 18446744073709551616) 16)))) |#memory_$Pointer$.base|))) (= (store |v_#memory_real_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13| (store (select |v_#memory_real_25| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 8 (select (select |v_#memory_real_26| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_13|) 8))) |v_#memory_real_26|))))' at error location [2023-12-02 15:22:34,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 15:22:34,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:22:34,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21, 15] total 45 [2023-12-02 15:22:34,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595766824] [2023-12-02 15:22:34,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:22:34,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-12-02 15:22:34,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:22:34,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-12-02 15:22:34,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=4428, Unknown=1, NotChecked=0, Total=4692 [2023-12-02 15:22:34,638 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 45 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 30 states have internal predecessors, (55), 17 states have call successors, (27), 4 states have call predecessors, (27), 14 states have return successors, (27), 19 states have call predecessors, (27), 15 states have call successors, (27) [2023-12-02 15:22:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:22:37,594 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2023-12-02 15:22:37,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 15:22:37,595 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 30 states have internal predecessors, (55), 17 states have call successors, (27), 4 states have call predecessors, (27), 14 states have return successors, (27), 19 states have call predecessors, (27), 15 states have call successors, (27) Word has length 45 [2023-12-02 15:22:37,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:22:37,595 INFO L225 Difference]: With dead ends: 47 [2023-12-02 15:22:37,595 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 15:22:37,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2143 ImplicationChecksByTransitivity, 48.2s TimeCoverageRelationStatistics Valid=397, Invalid=6912, Unknown=1, NotChecked=0, Total=7310 [2023-12-02 15:22:37,601 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 29 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:22:37,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 577 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 15:22:37,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 15:22:37,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 15:22:37,602 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) [2023-12-02 15:22:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 15:22:37,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-12-02 15:22:37,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:22:37,602 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 15:22:37,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 30 states have internal predecessors, (55), 17 states have call successors, (27), 4 states have call predecessors, (27), 14 states have return successors, (27), 19 states have call predecessors, (27), 15 states have call successors, (27) [2023-12-02 15:22:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 15:22:37,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 15:22:37,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:22:37,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-02 15:22:37,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:22:37,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 15:22:38,469 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2023-12-02 15:22:38,470 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2023-12-02 15:22:38,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6931) the Hoare annotation is: true [2023-12-02 15:22:38,470 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2023-12-02 15:22:38,470 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-12-02 15:22:38,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-12-02 15:22:38,470 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2023-12-02 15:22:38,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6296) the Hoare annotation is: true [2023-12-02 15:22:38,471 INFO L895 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: (or (and (forall ((|v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| Int)) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2|))) (let ((.cse1 (mod (select .cse0 8) 18446744073709551616))) (or (= |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| 0) (not (= (mod (select .cse0 (+ .cse1 (- 18446744073709551600))) 256) 0)) (< .cse1 9223372036854775808))))) (forall ((|v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| Int)) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2|))) (let ((.cse2 (mod (select .cse3 8) 18446744073709551616))) (or (< 9223372036854775807 .cse2) (not (= (mod (select .cse3 (+ .cse2 16)) 256) 0)) (= |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| 0)))))) (and (= |aws_string_bytes_#in~str.offset| aws_string_bytes_~str.offset) (= |aws_string_bytes_#in~str.base| aws_string_bytes_~str.base)) (let ((.cse4 (+ |aws_string_bytes_#in~str.offset| 16))) (and (= |aws_string_bytes_#res.offset| .cse4) (let ((.cse5 (select |#memory_int| |aws_string_bytes_#in~str.base|))) (let ((.cse6 (mod (select .cse5 (+ |aws_string_bytes_#in~str.offset| 8)) 18446744073709551616))) (or (and (not (= 0 (mod (select .cse5 (+ .cse6 |aws_string_bytes_#in~str.offset| (- 18446744073709551600))) 256))) (<= 9223372036854775808 .cse6)) (and (or (= |aws_string_bytes_#in~str.offset| 0) (and (not (= (mod (+ 1 (select (select |#memory_int| 0) (- 8))) 18446744073709551616) 0)) (= .cse4 0))) (= |aws_string_bytes_#in~str.base| 0)) (and (not (= (mod (select .cse5 (+ .cse6 |aws_string_bytes_#in~str.offset| 16)) 256) 0)) (<= .cse6 9223372036854775807))))) (= |aws_string_bytes_#res.base| |aws_string_bytes_#in~str.base|)))) [2023-12-02 15:22:38,471 INFO L895 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: (let ((.cse7 (+ |aws_string_bytes_#in~str.offset| 16))) (let ((.cse4 (= |aws_string_bytes_#in~str.offset| aws_string_bytes_~str.offset)) (.cse5 (= |aws_string_bytes_#in~str.base| aws_string_bytes_~str.base)) (.cse6 (let ((.cse8 (select |#memory_int| |aws_string_bytes_#in~str.base|))) (let ((.cse9 (mod (select .cse8 (+ |aws_string_bytes_#in~str.offset| 8)) 18446744073709551616))) (or (and (not (= 0 (mod (select .cse8 (+ .cse9 |aws_string_bytes_#in~str.offset| (- 18446744073709551600))) 256))) (<= 9223372036854775808 .cse9)) (and (or (= |aws_string_bytes_#in~str.offset| 0) (and (not (= (mod (+ 1 (select (select |#memory_int| 0) (- 8))) 18446744073709551616) 0)) (= .cse7 0))) (= |aws_string_bytes_#in~str.base| 0)) (and (not (= (mod (select .cse8 (+ .cse9 |aws_string_bytes_#in~str.offset| 16)) 256) 0)) (<= .cse9 9223372036854775807))))))) (or (and (forall ((|v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| Int)) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2|))) (let ((.cse1 (mod (select .cse0 8) 18446744073709551616))) (or (= |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| 0) (not (= (mod (select .cse0 (+ .cse1 (- 18446744073709551600))) 256) 0)) (< .cse1 9223372036854775808))))) (forall ((|v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| Int)) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2|))) (let ((.cse2 (mod (select .cse3 8) 18446744073709551616))) (or (< 9223372036854775807 .cse2) (not (= (mod (select .cse3 (+ .cse2 16)) 256) 0)) (= |v_ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base_BEFORE_CALL_2| 0)))))) (and (= |aws_string_bytes_#t~ret495| 1) .cse4 .cse5) (and .cse6 .cse4 .cse5) (and (= |aws_string_bytes_#res.offset| .cse7) .cse6 (= |aws_string_bytes_#res.base| |aws_string_bytes_#in~str.base|))))) [2023-12-02 15:22:38,471 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2023-12-02 15:22:38,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-12-02 15:22:38,472 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-12-02 15:22:38,472 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6933 6935) the Hoare annotation is: true [2023-12-02 15:22:38,472 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2023-12-02 15:22:38,472 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6302 6307) the Hoare annotation is: true [2023-12-02 15:22:38,472 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2023-12-02 15:22:38,472 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-12-02 15:22:38,472 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-12-02 15:22:38,472 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (= 18446744073709551598 |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) [2023-12-02 15:22:38,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 15:22:38,473 INFO L899 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2023-12-02 15:22:38,473 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2023-12-02 15:22:38,473 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base|))) (let ((.cse1 (select .cse2 8))) (let ((.cse0 (div (+ 18410715276690587665 .cse1) 18446744073709551616))) (and (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (<= .cse0 (div .cse1 18446744073709551616)) (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| |ULTIMATE.start_aws_string_bytes_harness_#t~ret655#1.base|) (= 16 |ULTIMATE.start_aws_string_bytes_harness_#t~ret655#1.offset|) (= (select .cse2 (+ (* (- 18446744073709551616) .cse0) 16 .cse1)) 0))))) [2023-12-02 15:22:38,473 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2023-12-02 15:22:38,473 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base|))) (let ((.cse1 (select .cse2 8))) (let ((.cse0 (div (+ 18410715276690587665 .cse1) 18446744073709551616))) (and (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (<= .cse0 (div .cse1 18446744073709551616)) (= (select .cse2 (+ (* (- 18446744073709551616) .cse0) 16 .cse1)) 0))))) [2023-12-02 15:22:38,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 15:22:38,474 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2023-12-02 15:22:38,474 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (+ 18446744073709551597 (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616))) (<= |ULTIMATE.start_ensure_string_is_allocated_~len#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616) 18446744073709551597)) (= 18446744073709551598 |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|)) [2023-12-02 15:22:38,474 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base|))) (let ((.cse1 (select .cse2 8))) (let ((.cse0 (div (+ 18410715276690587665 .cse1) 18446744073709551616))) (and (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (<= .cse0 (div .cse1 18446744073709551616)) (= (select .cse2 (+ (* (- 18446744073709551616) .cse0) 16 .cse1)) 0))))) [2023-12-02 15:22:38,474 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2023-12-02 15:22:38,474 INFO L899 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2023-12-02 15:22:38,474 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (= 18446744073709551598 |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) [2023-12-02 15:22:38,475 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base|))) (let ((.cse1 (select .cse2 8))) (let ((.cse0 (div (+ 18410715276690587665 .cse1) 18446744073709551616))) (and (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (<= .cse0 (div .cse1 18446744073709551616)) (= |ULTIMATE.start_aws_string_bytes_harness_#t~ret656#1| 1) (= (select .cse2 (+ (* (- 18446744073709551616) .cse0) 16 .cse1)) 0))))) [2023-12-02 15:22:38,475 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: (and (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (+ 18446744073709551597 (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616))) (<= |ULTIMATE.start_ensure_string_is_allocated_~len#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616) 36028797018963950)) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.offset| 0) (= 18446744073709551598 |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|)) [2023-12-02 15:22:38,475 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2023-12-02 15:22:38,475 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: (and (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (+ 18446744073709551597 (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616))) (<= |ULTIMATE.start_ensure_string_is_allocated_~len#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616) 36028797018963950)) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.offset| 0) (= 18446744073709551598 |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|)) [2023-12-02 15:22:38,475 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2023-12-02 15:22:38,475 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-12-02 15:22:38,476 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-12-02 15:22:38,476 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-12-02 15:22:38,476 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-12-02 15:22:38,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-12-02 15:22:38,477 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-12-02 15:22:38,480 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:22:38,482 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:22:38,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:22:38 BoogieIcfgContainer [2023-12-02 15:22:38,486 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:22:38,486 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:22:38,486 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:22:38,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:22:38,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:32" (3/4) ... [2023-12-02 15:22:38,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 15:22:38,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-12-02 15:22:38,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-12-02 15:22:38,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-12-02 15:22:38,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2023-12-02 15:22:38,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 15:22:38,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 15:22:38,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-12-02 15:22:38,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-12-02 15:22:38,498 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-12-02 15:22:38,498 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 15:22:38,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 15:22:38,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 15:22:38,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 15:22:38,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 15:22:38,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:22:38,584 INFO L158 Benchmark]: Toolchain (without parser) took 68835.42ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 143.7MB in the beginning and 232.9MB in the end (delta: -89.2MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,584 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 142.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:22:38,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1990.23ms. Allocated memory is still 190.8MB. Free memory was 143.7MB in the beginning and 142.6MB in the end (delta: 1.1MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.26ms. Allocated memory is still 190.8MB. Free memory was 142.6MB in the beginning and 137.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,585 INFO L158 Benchmark]: Boogie Preprocessor took 41.41ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 135.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,585 INFO L158 Benchmark]: RCFGBuilder took 506.66ms. Allocated memory is still 190.8MB. Free memory was 134.3MB in the beginning and 109.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,586 INFO L158 Benchmark]: TraceAbstraction took 66098.31ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 108.0MB in the beginning and 238.2MB in the end (delta: -130.1MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,586 INFO L158 Benchmark]: Witness Printer took 97.05ms. Allocated memory is still 400.6MB. Free memory was 238.2MB in the beginning and 232.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:22:38,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 142.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1990.23ms. Allocated memory is still 190.8MB. Free memory was 143.7MB in the beginning and 142.6MB in the end (delta: 1.1MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.26ms. Allocated memory is still 190.8MB. Free memory was 142.6MB in the beginning and 137.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.41ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 135.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.66ms. Allocated memory is still 190.8MB. Free memory was 134.3MB in the beginning and 109.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 66098.31ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 108.0MB in the beginning and 238.2MB in the end (delta: -130.1MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Witness Printer took 97.05ms. Allocated memory is still 400.6MB. Free memory was 238.2MB in the beginning and 232.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.0s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 883 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 828 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 937 IncrementalHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 55 mSDtfsCounter, 937 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2146 ImplicationChecksByTransitivity, 48.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 26 PreInvPairs, 28 NumberOfFragments, 755 HoareAnnotationTreeSize, 26 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 1893 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 167 ConstructedInterpolants, 8 QuantifiedInterpolants, 3028 SizeOfPredicates, 27 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 30/36 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 RESULT: Ultimate proved your program to be correct! [2023-12-02 15:22:38,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26728ec-a6ea-4b0c-bcb9-9bf2403429e1/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE