./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91 --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 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:38,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:38,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:57:38,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:38,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:38,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:38,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:38,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:38,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:38,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:38,306 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:38,306 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:38,307 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:38,307 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:38,308 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:38,309 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:38,309 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:38,310 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:38,310 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:38,311 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:38,312 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:38,313 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:38,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:38,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:38,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:38,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:38,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:38,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:38,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:38,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:38,318 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:38,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:38,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:38,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:38,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:38,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:38,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:38,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:38,321 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:38,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:38,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:38,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:38,323 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:38,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:38,324 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 [2023-11-24 23:57:38,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:38,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:38,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:38,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:38,647 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:38,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2023-11-24 23:57:41,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:42,398 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:42,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2023-11-24 23:57:42,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data/f0d604a8d/ce92b1e2342b4bffa3e9a8270098f3ce/FLAG51ed7c21c [2023-11-24 23:57:42,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data/f0d604a8d/ce92b1e2342b4bffa3e9a8270098f3ce [2023-11-24 23:57:42,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:42,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:42,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:42,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:42,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:42,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:42" (1/1) ... [2023-11-24 23:57:42,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a135cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:42, skipping insertion in model container [2023-11-24 23:57:42,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:42" (1/1) ... [2023-11-24 23:57:42,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:42,914 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2023-11-24 23:57:42,923 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2023-11-24 23:57:43,985 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:43,987 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:43,988 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:43,990 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:43,993 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,015 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,016 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,475 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:57:44,476 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:57:44,477 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:57:44,479 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:57:44,481 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:57:44,482 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:57:44,483 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:57:44,484 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:57:44,484 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:57:44,485 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:57:44,765 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,766 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,869 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,870 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,870 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,871 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,872 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:44,930 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:44,945 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2023-11-24 23:57:44,946 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2023-11-24 23:57:44,986 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,987 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,987 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,988 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,989 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,996 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,996 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,998 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:44,998 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,054 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:57:45,055 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:57:45,056 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:57:45,057 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:57:45,058 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:57:45,069 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:57:45,070 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:57:45,070 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:57:45,071 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:57:45,071 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:57:45,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2023-11-24 23:57:45,279 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,281 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2023-11-24 23:57:45,357 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,360 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,360 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:45,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:45,579 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,579 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,579 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,582 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,582 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,582 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,582 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,583 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,583 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,583 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,583 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,583 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,584 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,584 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,584 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,585 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,585 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,585 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:45,593 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:45,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45 WrapperNode [2023-11-24 23:57:45,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:45,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:45,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:45,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:45,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,843 INFO L138 Inliner]: procedures = 689, calls = 2491, calls flagged for inlining = 52, calls inlined = 3, statements flattened = 729 [2023-11-24 23:57:45,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:45,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:45,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:45,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:45,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:45,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:45,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:45,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:45,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:45,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:45,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:45,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_nospec_mask [2023-11-24 23:57:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_nospec_mask [2023-11-24 23:57:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:57:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:57:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:57:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:46,298 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:46,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:47,522 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:47,692 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:47,692 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:57:47,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:47 BoogieIcfgContainer [2023-11-24 23:57:47,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:47,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:47,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:47,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:47,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:42" (1/3) ... [2023-11-24 23:57:47,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7047386b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:47, skipping insertion in model container [2023-11-24 23:57:47,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (2/3) ... [2023-11-24 23:57:47,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7047386b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:47, skipping insertion in model container [2023-11-24 23:57:47,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:47" (3/3) ... [2023-11-24 23:57:47,704 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_nospec_mask_harness.i [2023-11-24 23:57:47,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:47,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:47,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:47,789 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;@455b13cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:47,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:57:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:57:47,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:47,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:47,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:47,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash -84779524, now seen corresponding path program 1 times [2023-11-24 23:57:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:47,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50515676] [2023-11-24 23:57:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:48,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:49,151 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:49,156 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:49,157 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:49,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:49,169 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:49,176 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:49,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-24 23:57:49,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-24 23:57:49,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-24 23:57:49,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-24 23:57:49,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-24 23:57:49,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-24 23:57:49,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-24 23:57:49,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1155 could not be translated [2023-11-24 23:57:49,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-24 23:57:49,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-24 23:57:49,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-24 23:57:49,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-24 23:57:49,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-24 23:57:49,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-24 23:57:49,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-24 23:57:49,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-24 23:57:49,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-24 23:57:49,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-24 23:57:49,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-24 23:57:49,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-24 23:57:49,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-24 23:57:49,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-24 23:57:49,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-24 23:57:49,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-24 23:57:49,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-24 23:57:49,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:49 BoogieIcfgContainer [2023-11-24 23:57:49,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:49,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:49,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:49,264 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:49,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:47" (3/4) ... [2023-11-24 23:57:49,268 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:49,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:49,283 INFO L158 Benchmark]: Toolchain (without parser) took 6805.53ms. Allocated memory was 125.8MB in the beginning and 232.8MB in the end (delta: 107.0MB). Free memory was 71.4MB in the beginning and 88.4MB in the end (delta: -17.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2023-11-24 23:57:49,283 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 125.8MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:49,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3119.35ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 70.9MB in the beginning and 101.3MB in the end (delta: -30.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:49,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 249.17ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 90.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:57:49,287 INFO L158 Benchmark]: Boogie Preprocessor took 85.31ms. Allocated memory is still 169.9MB. Free memory was 90.9MB in the beginning and 85.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:49,287 INFO L158 Benchmark]: RCFGBuilder took 1759.94ms. Allocated memory was 169.9MB in the beginning and 232.8MB in the end (delta: 62.9MB). Free memory was 85.6MB in the beginning and 134.6MB in the end (delta: -49.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:49,290 INFO L158 Benchmark]: TraceAbstraction took 1563.60ms. Allocated memory is still 232.8MB. Free memory was 134.6MB in the beginning and 88.4MB in the end (delta: 46.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:49,291 INFO L158 Benchmark]: Witness Printer took 14.17ms. Allocated memory is still 232.8MB. Free memory was 88.4MB in the beginning and 88.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:49,296 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 125.8MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3119.35ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 70.9MB in the beginning and 101.3MB in the end (delta: -30.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 249.17ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 90.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.31ms. Allocated memory is still 169.9MB. Free memory was 90.9MB in the beginning and 85.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1759.94ms. Allocated memory was 169.9MB in the beginning and 232.8MB in the end (delta: 62.9MB). Free memory was 85.6MB in the beginning and 134.6MB in the end (delta: -49.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1563.60ms. Allocated memory is still 232.8MB. Free memory was 134.6MB in the beginning and 88.4MB in the end (delta: 46.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Witness Printer took 14.17ms. Allocated memory is still 232.8MB. Free memory was 88.4MB in the beginning and 88.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8051]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] - GenericResultAtLocation [Line: 8537]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1155 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 8554, overapproximation of bitwiseOr at line 8052. Possible FailurePath: [L6860-L6865] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7093] static __thread int tl_last_error = 0; [L7430-L7442] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8553-L8701] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8704-L8707] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8709-L8718] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8720-L8723] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8725-L8729] static _Bool s_common_library_initialized = 0 ; [L8767] CALL aws_nospec_mask_harness() [L8743] size_t index = __VERIFIER_nondet_ulong(); [L8744] size_t bound = __VERIFIER_nondet_ulong(); [L8747] CALL, EXPR aws_nospec_mask(index, bound) VAL [\old(bound)=9223372036854775807, \old(index)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8052] EXPR index | bound [L8052] size_t negative_mask = index | bound; [L8053] size_t toobig_mask = bound - index - (uintptr_t)1; [L8054] EXPR negative_mask | toobig_mask [L8054] size_t combined_mask = negative_mask | toobig_mask; [L8055-L8059] combined_mask = (~combined_mask) / ( (18446744073709551615UL) - ( (18446744073709551615UL) >> 1)) [L8067-L8068] combined_mask = combined_mask * (18446744073709551615UL) [L8071] return combined_mask; [L8747] RET, EXPR aws_nospec_mask(index, bound) VAL [bound=9223372036854775807, errors={196:0}, index=0, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8747] size_t rval = aws_nospec_mask(index, bound); [L8750] COND TRUE rval == 0 VAL [bound=9223372036854775807, errors={196:0}, index=0, rval=0, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8751-L8755] CALL __VERIFIER_assert((index >= bound) || (bound > ( (18446744073709551615UL) / 2)) || (index > ( (18446744073709551615UL) / 2))) VAL [\old(cond)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:57:49,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91 --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 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:51,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:52,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-24 23:57:52,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:52,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:52,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:52,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:52,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:52,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:52,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:52,113 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:52,114 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:52,114 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:52,116 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:52,116 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:52,117 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:52,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:52,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:52,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:52,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:52,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:52,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:52,120 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:52,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:52,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:52,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:52,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:52,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:52,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:52,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:52,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:52,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:52,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:52,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:52,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:52,126 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:52,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:52,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:52,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:52,128 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:52,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:52,128 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 [2023-11-24 23:57:52,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:52,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:52,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:52,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:52,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:52,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2023-11-24 23:57:55,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:56,522 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:56,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2023-11-24 23:57:56,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data/eadccd5e4/c7abc224d99f4db3b495ceb364008f40/FLAGf375f3bb6 [2023-11-24 23:57:56,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/data/eadccd5e4/c7abc224d99f4db3b495ceb364008f40 [2023-11-24 23:57:56,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:56,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:56,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:56,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:56,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:56,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:56" (1/1) ... [2023-11-24 23:57:56,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d7f539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:56, skipping insertion in model container [2023-11-24 23:57:56,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:56" (1/1) ... [2023-11-24 23:57:56,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:57,090 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2023-11-24 23:57:57,098 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2023-11-24 23:57:58,447 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,455 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,455 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,458 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,460 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,494 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,498 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,500 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:58,502 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,101 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:57:59,107 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:57:59,108 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:57:59,109 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:57:59,111 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:57:59,111 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:57:59,112 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:57:59,113 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:57:59,116 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:57:59,117 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:57:59,481 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,482 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,545 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,547 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,549 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:59,656 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:57:59,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:59,721 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2023-11-24 23:57:59,722 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2023-11-24 23:57:59,757 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,757 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,759 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,766 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,767 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,803 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:57:59,804 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:57:59,804 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:57:59,805 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:57:59,806 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:57:59,807 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:57:59,808 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:57:59,808 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:57:59,809 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:57:59,810 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:57:59,879 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,880 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,956 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,957 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,959 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:59,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:59,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:00,008 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2023-11-24 23:58:00,009 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_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2023-11-24 23:58:00,052 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,053 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,053 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,054 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,055 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,063 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,064 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,114 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:58:00,115 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:58:00,116 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:58:00,117 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:58:00,118 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:58:00,118 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:58:00,119 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:58:00,120 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:58:00,121 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:58:00,121 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:58:00,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2023-11-24 23:58:00,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2023-11-24 23:58:00,262 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,262 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,263 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,263 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,264 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:58:00,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:00,552 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,560 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,571 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,571 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,572 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,572 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,572 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,572 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,572 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,572 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,573 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,573 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,573 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,573 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,573 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,573 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,574 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,574 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,582 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:00,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00 WrapperNode [2023-11-24 23:58:00,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:00,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:00,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:00,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:00,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:00,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:00,938 INFO L138 Inliner]: procedures = 709, calls = 2491, calls flagged for inlining = 52, calls inlined = 3, statements flattened = 730 [2023-11-24 23:58:00,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:00,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:00,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:00,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:00,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:00,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:00,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:00,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:01,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:01,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:01,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:01,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:01,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:01,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_nospec_mask [2023-11-24 23:58:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_nospec_mask [2023-11-24 23:58:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:58:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:58:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:58:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:58:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:58:01,607 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:01,610 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:03,376 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:03,747 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:03,747 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:58:03,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:03 BoogieIcfgContainer [2023-11-24 23:58:03,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:03,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:03,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:03,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:03,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:56" (1/3) ... [2023-11-24 23:58:03,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2eead8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:03, skipping insertion in model container [2023-11-24 23:58:03,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (2/3) ... [2023-11-24 23:58:03,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2eead8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:03, skipping insertion in model container [2023-11-24 23:58:03,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:03" (3/3) ... [2023-11-24 23:58:03,764 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_nospec_mask_harness.i [2023-11-24 23:58:03,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:03,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:58:03,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:03,868 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;@324eee63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:03,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:58:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:58:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:58:03,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:03,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:03,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:03,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:03,906 INFO L85 PathProgramCache]: Analyzing trace with hash 171083689, now seen corresponding path program 1 times [2023-11-24 23:58:03,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:03,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965654498] [2023-11-24 23:58:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:03,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:58:03,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:03,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:58:03,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:58:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:04,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:58:04,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:06,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:06,045 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:06,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965654498] [2023-11-24 23:58:06,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965654498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:06,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:06,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 23:58:06,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23386561] [2023-11-24 23:58:06,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:06,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:58:06,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:06,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:58:06,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:58:06,092 INFO L87 Difference]: Start difference. First operand has 17 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:07,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:07,117 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2023-11-24 23:58:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:58:07,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-24 23:58:07,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:07,127 INFO L225 Difference]: With dead ends: 31 [2023-11-24 23:58:07,127 INFO L226 Difference]: Without dead ends: 14 [2023-11-24 23:58:07,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:58:07,134 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:07,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 53 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-24 23:58:07,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-24 23:58:07,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-24 23:58:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:58:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-24 23:58:07,171 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-24 23:58:07,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:07,172 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-24 23:58:07,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-24 23:58:07,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:58:07,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:07,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:07,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-24 23:58:07,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:58:07,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:07,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash 173913834, now seen corresponding path program 1 times [2023-11-24 23:58:07,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:07,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118021666] [2023-11-24 23:58:07,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:07,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:58:07,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:07,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:58:07,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:58:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:08,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:58:08,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:08,713 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:08,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:08,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118021666] [2023-11-24 23:58:08,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118021666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:08,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:08,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 23:58:08,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562726474] [2023-11-24 23:58:08,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:08,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:58:08,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:08,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:58:08,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:58:08,718 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:09,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:09,893 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2023-11-24 23:58:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:58:09,894 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-24 23:58:09,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:09,895 INFO L225 Difference]: With dead ends: 20 [2023-11-24 23:58:09,895 INFO L226 Difference]: Without dead ends: 16 [2023-11-24 23:58:09,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:58:09,897 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:09,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 46 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-24 23:58:09,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-24 23:58:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-24 23:58:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:58:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2023-11-24 23:58:09,905 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 10 [2023-11-24 23:58:09,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:09,905 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2023-11-24 23:58:09,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2023-11-24 23:58:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:58:09,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:09,907 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:09,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:10,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:58:10,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:10,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:10,126 INFO L85 PathProgramCache]: Analyzing trace with hash -416213655, now seen corresponding path program 1 times [2023-11-24 23:58:10,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:10,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935983304] [2023-11-24 23:58:10,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:10,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:58:10,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:10,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:58:10,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:58:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:10,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:58:10,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:12,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:14,222 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935983304] [2023-11-24 23:58:14,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935983304] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:58:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1969027691] [2023-11-24 23:58:14,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:14,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:58:14,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:58:14,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:58:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:21,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:58:21,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:21,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:22,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1969027691] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:58:22,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950305054] [2023-11-24 23:58:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:22,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:22,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:22,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:22,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 23:58:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:24,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:58:24,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:24,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:25,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950305054] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:58:25,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:58:25,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10, 9, 10, 9] total 15 [2023-11-24 23:58:25,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153795059] [2023-11-24 23:58:25,654 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:58:25,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-24 23:58:25,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:25,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-24 23:58:25,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-24 23:58:25,657 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-24 23:58:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:26,527 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-24 23:58:26,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:58:26,530 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 15 [2023-11-24 23:58:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:26,530 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:58:26,530 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:58:26,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2023-11-24 23:58:26,532 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:26,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 30 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 23:58:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:58:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:58:26,534 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) [2023-11-24 23:58:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:58:26,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-24 23:58:26,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:26,535 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:58:26,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-24 23:58:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:58:26,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:58:26,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:58:26,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 23:58:26,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-24 23:58:26,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:27,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:27,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:58:27,428 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8050 8072) the Hoare annotation is: true [2023-11-24 23:58:27,429 INFO L899 garLoopResultBuilder]: For program point aws_nospec_maskEXIT(lines 8050 8072) no Hoare annotation was computed. [2023-11-24 23:58:27,429 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:58:27,429 INFO L895 garLoopResultBuilder]: At program point L8757(lines 8757 8759) the Hoare annotation is: (and (= (_ bv0 64) (bvadd (_ bv1 64) |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|)) (= (bvudiv (bvnot (bvor (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)) (_ bv1 64))) [2023-11-24 23:58:27,429 INFO L895 garLoopResultBuilder]: At program point L8757-1(lines 8757 8759) the Hoare annotation is: (and (= (_ bv0 64) (bvadd (_ bv1 64) |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|)) (= (bvudiv (bvnot (bvor (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)) (_ bv1 64))) [2023-11-24 23:58:27,430 INFO L899 garLoopResultBuilder]: For program point L8760(lines 8741 8766) no Hoare annotation was computed. [2023-11-24 23:58:27,430 INFO L902 garLoopResultBuilder]: At program point L8747(line 8747) the Hoare annotation is: true [2023-11-24 23:58:27,430 INFO L899 garLoopResultBuilder]: For program point L8747-1(line 8747) no Hoare annotation was computed. [2023-11-24 23:58:27,430 INFO L895 garLoopResultBuilder]: At program point L8751(lines 8751 8755) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|) (= (_ bv0 64) (bvudiv (bvnot (bvor (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)))) [2023-11-24 23:58:27,430 INFO L899 garLoopResultBuilder]: For program point L8750(lines 8750 8765) no Hoare annotation was computed. [2023-11-24 23:58:27,431 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:58:27,431 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-24 23:58:27,431 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-24 23:58:27,431 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-24 23:58:27,431 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-24 23:58:27,432 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-24 23:58:27,432 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-24 23:58:27,435 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-24 23:58:27,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:27,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:27 BoogieIcfgContainer [2023-11-24 23:58:27,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:27,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:27,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:27,443 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:27,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:03" (3/4) ... [2023-11-24 23:58:27,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:58:27,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_nospec_mask [2023-11-24 23:58:27,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:58:27,505 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2023-11-24 23:58:27,507 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2023-11-24 23:58:27,509 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-24 23:58:27,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-24 23:58:27,512 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:58:27,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:58:27,515 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 23:58:27,517 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:58:28,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:58:28,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:58:28,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:28,648 INFO L158 Benchmark]: Toolchain (without parser) took 32047.10ms. Allocated memory was 102.8MB in the beginning and 268.4MB in the end (delta: 165.7MB). Free memory was 70.0MB in the beginning and 78.4MB in the end (delta: -8.4MB). Peak memory consumption was 212.9MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,648 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:28,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3996.31ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 69.7MB in the beginning and 60.0MB in the end (delta: 9.7MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 339.07ms. Allocated memory is still 130.0MB. Free memory was 60.0MB in the beginning and 48.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,650 INFO L158 Benchmark]: Boogie Preprocessor took 178.66ms. Allocated memory is still 130.0MB. Free memory was 48.3MB in the beginning and 41.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,651 INFO L158 Benchmark]: RCFGBuilder took 2628.24ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 41.1MB in the beginning and 111.0MB in the end (delta: -69.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,651 INFO L158 Benchmark]: TraceAbstraction took 23689.87ms. Allocated memory was 209.7MB in the beginning and 268.4MB in the end (delta: 58.7MB). Free memory was 110.0MB in the beginning and 54.4MB in the end (delta: 55.6MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,652 INFO L158 Benchmark]: Witness Printer took 1204.22ms. Allocated memory is still 268.4MB. Free memory was 54.4MB in the beginning and 78.4MB in the end (delta: -24.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-24 23:58:28,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3996.31ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 69.7MB in the beginning and 60.0MB in the end (delta: 9.7MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 339.07ms. Allocated memory is still 130.0MB. Free memory was 60.0MB in the beginning and 48.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 178.66ms. Allocated memory is still 130.0MB. Free memory was 48.3MB in the beginning and 41.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2628.24ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 41.1MB in the beginning and 111.0MB in the end (delta: -69.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 23689.87ms. Allocated memory was 209.7MB in the beginning and 268.4MB in the end (delta: 58.7MB). Free memory was 110.0MB in the beginning and 54.4MB in the end (delta: 55.6MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * Witness Printer took 1204.22ms. Allocated memory is still 268.4MB. Free memory was 54.4MB in the beginning and 78.4MB in the end (delta: -24.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8051]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] - GenericResultAtLocation [Line: 8537]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] * 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 3 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 20 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 61 HoareAnnotationTreeSize, 9 FomulaSimplifications, 44 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 4 QuantifiedInterpolants, 804 SizeOfPredicates, 35 NumberOfNonLiveVariables, 6386 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 6/12 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! [2023-11-24 23:58:28,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a196daf9-db99-40ae-b57c-eb2ce7e2cb05/bin/utaipan-verify-SwPr7d2a91/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