./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 13ab51b5126028da19fd5973a25f590452a4763e1cc4e396aeee438668151298 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:58:13,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:58:13,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:58:13,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:58:13,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:58:13,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:58:13,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:58:13,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:58:13,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:58:13,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:58:13,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:58:13,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:58:13,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:58:13,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:58:13,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:58:13,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:58:13,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:58:13,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:58:13,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:58:13,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:58:13,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:58:13,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:58:13,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:58:13,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:58:13,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:58:13,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:58:13,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:58:13,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:58:13,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:58:13,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:58:13,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:58:13,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:58:13,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:58:13,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:58:13,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:58:13,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:58:13,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:58:13,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:58:13,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:58:13,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:58:13,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:58:13,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:58:13,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:58:13,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:58:13,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:58:13,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:58:13,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:58:13,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:58:13,314 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:58:13,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:58:13,315 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:58:13,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:58:13,316 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:58:13,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:58:13,317 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:58:13,317 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:58:13,317 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:58:13,317 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:58:13,318 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:58:13,318 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:58:13,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:58:13,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:58:13,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:58:13,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:58:13,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:58:13,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:58:13,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:58:13,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:58:13,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:58:13,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:58:13,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:58:13,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:58:13,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:58:13,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:58:13,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:58:13,324 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:58:13,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:58:13,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:58:13,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:58:13,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:58:13,325 INFO L138 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_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ab51b5126028da19fd5973a25f590452a4763e1cc4e396aeee438668151298 [2021-11-25 18:58:13,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:58:13,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:58:13,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:58:13,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:58:13,625 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:58:13,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2021-11-25 18:58:13,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/data/41560cd30/6962bd65900741f1b6c47252276efcce/FLAGb921acc59 [2021-11-25 18:58:14,536 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:58:14,537 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2021-11-25 18:58:14,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/data/41560cd30/6962bd65900741f1b6c47252276efcce/FLAGb921acc59 [2021-11-25 18:58:15,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/data/41560cd30/6962bd65900741f1b6c47252276efcce [2021-11-25 18:58:15,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:58:15,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:58:15,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:58:15,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:58:15,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:58:15,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:58:15" (1/1) ... [2021-11-25 18:58:15,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396e6609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:15, skipping insertion in model container [2021-11-25 18:58:15,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:58:15" (1/1) ... [2021-11-25 18:58:15,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:58:15,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:58:15,608 WARN L230 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_626a9a23-e537-49d0-839a-c028214505a3/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4492,4505] [2021-11-25 18:58:15,617 WARN L230 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_626a9a23-e537-49d0-839a-c028214505a3/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4552,4565] [2021-11-25 18:58:16,728 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,729 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,730 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,730 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,747 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:16,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,228 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:58:17,230 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:58:17,231 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:58:17,232 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:58:17,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:58:17,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:58:17,235 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:58:17,236 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:58:17,236 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:58:17,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:58:17,427 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:58:17,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,916 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,919 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:17,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:58:17,977 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:58:17,990 WARN L230 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_626a9a23-e537-49d0-839a-c028214505a3/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4492,4505] [2021-11-25 18:58:17,990 WARN L230 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_626a9a23-e537-49d0-839a-c028214505a3/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4552,4565] [2021-11-25 18:58:18,022 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,022 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,024 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,060 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:58:18,061 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:58:18,062 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:58:18,062 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:58:18,063 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:58:18,064 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:58:18,064 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:58:18,064 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:58:18,065 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:58:18,065 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:58:18,084 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:58:18,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,262 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,264 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,265 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,279 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,279 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:58:18,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:58:18,542 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:58:18,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18 WrapperNode [2021-11-25 18:58:18,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:58:18,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:58:18,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:58:18,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:58:18,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,791 INFO L137 Inliner]: procedures = 774, calls = 2452, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 641 [2021-11-25 18:58:18,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:58:18,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:58:18,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:58:18,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:58:18,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:58:18,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:58:18,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:58:18,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:58:18,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (1/1) ... [2021-11-25 18:58:18,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:58:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:58:18,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:58:18,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:58:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 18:58:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:58:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-25 18:58:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-25 18:58:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:58:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:58:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-25 18:58:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-25 18:58:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:58:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:58:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_next [2021-11-25 18:58:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_next [2021-11-25 18:58:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:58:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:58:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:58:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 18:58:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 18:58:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-25 18:58:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-25 18:58:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:58:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-25 18:58:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-25 18:58:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:58:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 18:58:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 18:58:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:58:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-25 18:58:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-25 18:58:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:58:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-25 18:58:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-25 18:58:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-11-25 18:58:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-11-25 18:58:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:58:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:58:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-11-25 18:58:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-11-25 18:58:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-25 18:58:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-25 18:58:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:58:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-25 18:58:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-25 18:58:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-25 18:58:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-25 18:58:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:58:19,378 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:58:19,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:58:20,403 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:58:20,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:58:20,634 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:58:20,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:58:20 BoogieIcfgContainer [2021-11-25 18:58:20,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:58:20,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:58:20,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:58:20,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:58:20,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:58:15" (1/3) ... [2021-11-25 18:58:20,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7909e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:58:20, skipping insertion in model container [2021-11-25 18:58:20,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:18" (2/3) ... [2021-11-25 18:58:20,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7909e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:58:20, skipping insertion in model container [2021-11-25 18:58:20,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:58:20" (3/3) ... [2021-11-25 18:58:20,651 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_next_harness.i [2021-11-25 18:58:20,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:58:20,660 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:58:20,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:58:20,735 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:58:20,735 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:58:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-25 18:58:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 18:58:20,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:20,777 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:58:20,778 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:58:20,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:20,784 INFO L85 PathProgramCache]: Analyzing trace with hash -256281460, now seen corresponding path program 1 times [2021-11-25 18:58:20,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:20,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077651153] [2021-11-25 18:58:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:20,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:21,294 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:58:21,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999167433] [2021-11-25 18:58:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:21,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:58:21,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:58:21,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:58:21,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:58:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:58:21,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2550 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:58:21,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:58:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-25 18:58:22,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:58:22,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:22,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077651153] [2021-11-25 18:58:22,384 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:58:22,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999167433] [2021-11-25 18:58:22,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999167433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:58:22,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:58:22,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:58:22,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349764825] [2021-11-25 18:58:22,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:58:22,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:58:22,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:58:22,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:58:22,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:58:22,441 INFO L87 Difference]: Start difference. First operand has 129 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-25 18:58:23,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:58:23,064 INFO L93 Difference]: Finished difference Result 237 states and 316 transitions. [2021-11-25 18:58:23,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:58:23,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 117 [2021-11-25 18:58:23,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:58:23,081 INFO L225 Difference]: With dead ends: 237 [2021-11-25 18:58:23,082 INFO L226 Difference]: Without dead ends: 129 [2021-11-25 18:58:23,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:58:23,095 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 118 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:58:23,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 448 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:58:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-25 18:58:23,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-25 18:58:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 68 states have (on average 1.161764705882353) internal successors, (79), 70 states have internal predecessors, (79), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (45), 42 states have call predecessors, (45), 42 states have call successors, (45) [2021-11-25 18:58:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 167 transitions. [2021-11-25 18:58:23,186 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 167 transitions. Word has length 117 [2021-11-25 18:58:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:58:23,187 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 167 transitions. [2021-11-25 18:58:23,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-25 18:58:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 167 transitions. [2021-11-25 18:58:23,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 18:58:23,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:23,200 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:58:23,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:58:23,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 18:58:23,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:58:23,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1181171274, now seen corresponding path program 1 times [2021-11-25 18:58:23,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:23,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227503878] [2021-11-25 18:58:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:23,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:23,543 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:58:23,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663751279] [2021-11-25 18:58:23,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:23,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:58:23,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:58:23,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:58:23,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:58:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:58:24,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 2555 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:58:24,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:58:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:58:24,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:58:24,868 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-25 18:58:24,869 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:24,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227503878] [2021-11-25 18:58:24,869 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:58:24,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663751279] [2021-11-25 18:58:24,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663751279] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:58:24,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1314748257] [2021-11-25 18:58:24,910 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2021-11-25 18:58:24,910 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:58:24,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:58:24,920 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:58:24,921 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:58:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:28,504 INFO L244 Elim1Store]: Index analysis took 355 ms [2021-11-25 18:58:44,930 WARN L227 SmtUtils]: Spent 16.33s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:58:44,937 INFO L354 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2021-11-25 18:58:44,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2021-11-25 18:58:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,258 INFO L244 Elim1Store]: Index analysis took 818 ms [2021-11-25 18:59:18,182 WARN L227 SmtUtils]: Spent 29.86s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:59:18,186 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-25 18:59:18,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-25 18:59:20,207 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 18:59:20,321 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 18:59:20,498 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 18:59:21,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:59:21,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:59:21,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:59:21,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:59:21,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:59:21,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:59:21,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:59:21,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:59:21,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:59:21,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:59:21,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:59:21,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:59:21,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:59:21,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:59:21,942 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 18:59:22,057 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 18:59:22,152 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 57 for LOIs [2021-11-25 18:59:22,162 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_power_of_two with input of size 76 for LOIs [2021-11-25 18:59:22,190 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 119 for LOIs [2021-11-25 18:59:22,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:59:22,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:59:22,319 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:59:22,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-25 18:59:22,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:59:22,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:59:22,488 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:59:22,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-25 18:59:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:59:22,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:59:22,751 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:59:22,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-25 18:59:22,763 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 134 for LOIs [2021-11-25 18:59:23,356 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 118 for LOIs [2021-11-25 18:59:23,406 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2021-11-25 18:59:23,454 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:59:31,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1314748257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:59:31,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:59:31,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [8, 8] total 33 [2021-11-25 18:59:31,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250125714] [2021-11-25 18:59:31,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:59:31,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-25 18:59:31,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:59:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-25 18:59:31,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:59:31,924 INFO L87 Difference]: Start difference. First operand 129 states and 167 transitions. Second operand has 22 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 7 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2021-11-25 18:59:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:59:32,196 INFO L93 Difference]: Finished difference Result 264 states and 339 transitions. [2021-11-25 18:59:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:59:32,197 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 7 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 118 [2021-11-25 18:59:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:59:32,199 INFO L225 Difference]: With dead ends: 264 [2021-11-25 18:59:32,200 INFO L226 Difference]: Without dead ends: 145 [2021-11-25 18:59:32,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:59:32,203 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 2 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 751 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:59:32,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1026 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 751 Unchecked, 0.2s Time] [2021-11-25 18:59:32,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-25 18:59:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2021-11-25 18:59:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 77 states have (on average 1.155844155844156) internal successors, (89), 78 states have internal predecessors, (89), 45 states have call successors, (45), 21 states have call predecessors, (45), 21 states have return successors, (48), 44 states have call predecessors, (48), 44 states have call successors, (48) [2021-11-25 18:59:32,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 182 transitions. [2021-11-25 18:59:32,234 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 182 transitions. Word has length 118 [2021-11-25 18:59:32,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:59:32,234 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 182 transitions. [2021-11-25 18:59:32,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 7 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2021-11-25 18:59:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 182 transitions. [2021-11-25 18:59:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 18:59:32,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:59:32,237 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:59:32,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:59:32,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:59:32,456 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:59:32,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:59:32,457 INFO L85 PathProgramCache]: Analyzing trace with hash 526693157, now seen corresponding path program 1 times [2021-11-25 18:59:32,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:59:32,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952036673] [2021-11-25 18:59:32,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:59:32,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:59:32,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:59:32,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374475574] [2021-11-25 18:59:32,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:59:32,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:59:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:59:32,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:59:32,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626a9a23-e537-49d0-839a-c028214505a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:59:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:59:33,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:59:33,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:59:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:59:33,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:59:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-25 18:59:33,745 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:59:33,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952036673] [2021-11-25 18:59:33,745 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:59:33,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374475574] [2021-11-25 18:59:33,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374475574] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:59:33,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [315624873] [2021-11-25 18:59:33,754 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2021-11-25 18:59:33,755 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:59:33,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:59:33,756 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:59:33,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:59:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:59:36,550 INFO L244 Elim1Store]: Index analysis took 313 ms [2021-11-25 19:00:06,919 WARN L227 SmtUtils]: Spent 30.31s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:00:06,923 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-25 19:00:06,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-25 19:00:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:09,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19504 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 992 treesize of output 1582 [2021-11-25 19:01:50,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:50,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:50,893 INFO L244 Elim1Store]: Index analysis took 319 ms [2021-11-25 19:02:08,009 WARN L227 SmtUtils]: Spent 17.08s on a formula simplification. DAG size of input: 1776 DAG size of output: 1183 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:02:08,012 INFO L354 Elim1Store]: treesize reduction 1974, result has 47.3 percent of original size [2021-11-25 19:02:08,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 197 case distinctions, treesize of input 997 treesize of output 2374 [2021-11-25 19:02:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:11,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:12,663 INFO L244 Elim1Store]: Index analysis took 945 ms [2021-11-25 19:02:44,968 WARN L227 SmtUtils]: Spent 32.25s on a formula simplification. DAG size of input: 2172 DAG size of output: 1185 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:02:44,971 INFO L354 Elim1Store]: treesize reduction 3546, result has 33.3 percent of original size [2021-11-25 19:02:44,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19703 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 394 case distinctions, treesize of input 1007 treesize of output 2389 [2021-11-25 19:02:47,253 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 19:02:47,334 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 19:02:47,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:02:47,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:02:47,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:02:47,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:02:47,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:02:47,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:02:47,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:02:47,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:02:47,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:02:47,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:02:47,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:02:47,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:02:47,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:02:47,801 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 19:02:48,203 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 19:02:48,342 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 19:03:09,576 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 2815 for LOIs [2021-11-25 19:03:13,657 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_power_of_two with input of size 2834 for LOIs [2021-11-25 19:03:17,845 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 82 for LOIs [2021-11-25 19:03:17,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:03:17,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:03:18,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:03:18,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:03:18,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:03:18,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:03:18,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:03:18,343 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 92 for LOIs [2021-11-25 19:03:18,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:03:18,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:03:18,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:03:18,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:03:19,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:03:19,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:03:19,284 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 78 for LOIs [2021-11-25 19:03:19,332 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 75 for LOIs [2021-11-25 19:03:19,355 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 54 for LOIs [2021-11-25 19:03:19,361 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:04:59,091 WARN L227 SmtUtils]: Spent 1.65m on a formula simplification. DAG size of input: 2827 DAG size of output: 2433 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:05:34,274 WARN L227 SmtUtils]: Spent 34.36s on a formula simplification that was a NOOP. DAG size: 2815 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:07:19,394 WARN L227 SmtUtils]: Spent 1.70m on a formula simplification. DAG size of input: 2855 DAG size of output: 2448 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:08:45,689 WARN L227 SmtUtils]: Spent 1.42m on a formula simplification. DAG size of input: 2834 DAG size of output: 2829 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:10:14,158 WARN L227 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 2849 DAG size of output: 2844 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)