./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_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_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/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_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/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_1f8317ce-c879-4730-a0f8-acb85d6bf858/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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:52:03,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:52:03,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:52:03,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:52:03,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:52:03,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:52:03,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:52:03,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:52:03,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:52:03,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:52:03,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:52:03,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:52:03,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:52:03,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:52:03,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:52:03,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:52:03,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:52:03,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:52:03,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:52:03,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:52:03,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:52:03,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:52:03,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:52:03,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:52:03,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:52:03,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:52:03,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:52:03,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:52:03,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:52:03,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:52:03,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:52:03,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:52:03,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:52:03,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:52:03,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:52:03,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:52:03,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:52:03,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:52:03,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:52:03,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:52:03,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:52:03,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:52:03,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:52:03,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:52:03,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:52:03,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:52:03,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:52:03,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:52:03,956 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:52:03,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:52:03,956 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:52:03,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:52:03,957 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:52:03,958 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:52:03,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:52:03,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:52:03,958 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:52:03,959 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:52:03,959 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:52:03,959 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:52:03,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:52:03,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:52:03,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:52:03,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:52:03,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:52:03,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:52:03,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:52:03,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:52:03,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:52:03,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:52:03,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:52:03,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:52:03,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:52:03,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:52:03,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:52:03,965 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:52:03,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:52:03,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:52:03,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:52:03,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:52:03,966 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2021-11-25 18:52:04,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:52:04,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:52:04,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:52:04,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:52:04,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:52:04,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-25 18:52:04,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/87e44a2b9/3f49e4b88699483bb342d235d80a6941/FLAG6bbda440e [2021-11-25 18:52:05,278 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:52:05,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-25 18:52:05,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/87e44a2b9/3f49e4b88699483bb342d235d80a6941/FLAG6bbda440e [2021-11-25 18:52:05,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/87e44a2b9/3f49e4b88699483bb342d235d80a6941 [2021-11-25 18:52:05,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:52:05,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:52:05,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:52:05,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:52:05,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:52:05,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:05" (1/1) ... [2021-11-25 18:52:05,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429b6571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:05, skipping insertion in model container [2021-11-25 18:52:05,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:05" (1/1) ... [2021-11-25 18:52:05,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:52:05,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:52:06,233 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-25 18:52:06,238 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-25 18:52:07,157 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:52:07,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,274 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,278 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,316 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,318 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,325 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:52:07,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:52:07,729 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:52:07,730 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:52:07,731 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:52:07,732 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:52:07,733 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:52:07,734 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:52:07,735 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:52:07,736 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:52:07,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:07,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:52:07,945 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:52:07,975 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-25 18:52:07,976 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-25 18:52:08,045 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:52:08,081 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,099 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,100 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,100 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,102 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,103 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,108 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,169 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:52:08,170 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:52:08,171 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:52:08,172 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:52:08,174 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:52:08,174 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:52:08,175 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:52:08,176 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:52:08,176 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:52:08,177 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:52:08,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:52:08,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:52:08,521 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:52:08,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08 WrapperNode [2021-11-25 18:52:08,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:52:08,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:52:08,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:52:08,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:52:08,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,688 INFO L137 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2021-11-25 18:52:08,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:52:08,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:52:08,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:52:08,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:52:08,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:52:08,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:52:08,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:52:08,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:52:08,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (1/1) ... [2021-11-25 18:52:08,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:52:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:52:08,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:52:08,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:52:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:52:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-25 18:52:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-25 18:52:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:52:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-25 18:52:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-25 18:52:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:52:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:52:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:52:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:52:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:52:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:52:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:52:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 18:52:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 18:52:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 18:52:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 18:52:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-25 18:52:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-25 18:52:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:52:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:52:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:52:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:52:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:52:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-25 18:52:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-25 18:52:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 18:52:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 18:52:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:52:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:52:09,065 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:52:09,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:52:09,433 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:52:09,517 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:52:09,518 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:52:09,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:09 BoogieIcfgContainer [2021-11-25 18:52:09,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:52:09,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:52:09,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:52:09,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:52:09,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:52:05" (1/3) ... [2021-11-25 18:52:09,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdf90f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:52:09, skipping insertion in model container [2021-11-25 18:52:09,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:08" (2/3) ... [2021-11-25 18:52:09,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdf90f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:52:09, skipping insertion in model container [2021-11-25 18:52:09,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:09" (3/3) ... [2021-11-25 18:52:09,535 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2021-11-25 18:52:09,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:52:09,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:52:09,590 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:52:09,597 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 18:52:09,598 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:52:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-25 18:52:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 18:52:09,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:52:09,627 INFO L514 BasicCegarLoop]: trace histogram [9, 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] [2021-11-25 18:52:09,627 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:52:09,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:52:09,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1663978418, now seen corresponding path program 1 times [2021-11-25 18:52:09,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:52:09,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072465615] [2021-11-25 18:52:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:09,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:52:09,831 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:52:09,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014637432] [2021-11-25 18:52:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:09,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:52:09,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:52:09,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:52:09,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:52:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:52:10,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:52:10,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:52:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-25 18:52:10,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:52:10,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:52:10,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072465615] [2021-11-25 18:52:10,534 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:52:10,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014637432] [2021-11-25 18:52:10,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014637432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:52:10,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:52:10,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:52:10,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100715285] [2021-11-25 18:52:10,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:52:10,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:52:10,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:52:10,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:52:10,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:52:10,586 INFO L87 Difference]: Start difference. First operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 18:52:10,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:52:10,883 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2021-11-25 18:52:10,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:52:10,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 65 [2021-11-25 18:52:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:52:10,902 INFO L225 Difference]: With dead ends: 145 [2021-11-25 18:52:10,902 INFO L226 Difference]: Without dead ends: 80 [2021-11-25 18:52:10,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:52:10,913 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 35 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:52:10,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 367 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:52:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-25 18:52:10,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-25 18:52:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-25 18:52:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2021-11-25 18:52:10,971 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2021-11-25 18:52:10,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:52:10,973 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2021-11-25 18:52:10,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 18:52:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2021-11-25 18:52:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 18:52:10,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:52:10,977 INFO L514 BasicCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:52:11,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:52:11,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 18:52:11,197 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:52:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:52:11,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1491149490, now seen corresponding path program 1 times [2021-11-25 18:52:11,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:52:11,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950301653] [2021-11-25 18:52:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:11,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:52:11,320 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:52:11,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092651396] [2021-11-25 18:52:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:11,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:52:11,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:52:11,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:52:11,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:52:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:52:11,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-25 18:52:11,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:52:12,068 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 18:52:14,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-25 18:52:15,101 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 18:52:19,345 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_~list#1.base_BEFORE_CALL_8| Int) (|aux_mod_v_ULTIMATE.start_aws_array_list_init_static_~item_size#1_BEFORE_CALL_6_99| Int) (|aux_div_v_ULTIMATE.start_aws_array_list_init_static_~item_size#1_BEFORE_CALL_6_99| Int)) (let ((.cse0 (select (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_~list#1.base_BEFORE_CALL_8|) 8)) (.cse1 (+ |aux_mod_v_ULTIMATE.start_aws_array_list_init_static_~item_size#1_BEFORE_CALL_6_99| (* |aux_div_v_ULTIMATE.start_aws_array_list_init_static_~item_size#1_BEFORE_CALL_6_99| 18446744073709551616)))) (and (<= (mod (* (div .cse0 .cse1) .cse1) 18446744073709551616) 0) (= (mod .cse0 .cse1) 0) (< 0 |aux_mod_v_ULTIMATE.start_aws_array_list_init_static_~item_size#1_BEFORE_CALL_6_99|) (< |aux_mod_v_ULTIMATE.start_aws_array_list_init_static_~item_size#1_BEFORE_CALL_6_99| 18446744073709551616)))) is different from true [2021-11-25 18:52:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:23,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:23,746 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:52:23,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 100 [2021-11-25 18:52:23,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:52:42,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 154 [2021-11-25 18:52:53,124 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:53,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 204 treesize of output 140 [2021-11-25 18:52:54,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2021-11-25 18:52:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 13 proven. 51 refuted. 0 times theorem prover too weak. 20 trivial. 9 not checked. [2021-11-25 18:52:56,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:53:07,535 WARN L227 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 388 DAG size of output: 182 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:53:09,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-25 18:53:31,397 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:31,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950301653] [2021-11-25 18:53:31,397 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:53:31,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092651396] [2021-11-25 18:53:31,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092651396] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:53:31,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1770211673] [2021-11-25 18:53:31,422 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2021-11-25 18:53:31,423 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:53:31,426 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:53:31,432 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:53:31,433 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:53:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:31,680 INFO L354 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2021-11-25 18:53:31,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 80 [2021-11-25 18:53:31,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:31,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:31,855 INFO L354 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2021-11-25 18:53:31,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 54 treesize of output 97 [2021-11-25 18:53:32,051 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 18:53:32,058 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 18:53:32,118 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 18:53:32,127 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 18:53:32,137 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 18:53:32,149 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 18:53:32,681 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 18:53:32,687 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 18:53:32,839 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 18:53:32,953 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 18:53:33,166 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 18:53:33,222 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 18:53:33,373 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:53:33,374 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 1 case distinctions, treesize of input 216 treesize of output 214 [2021-11-25 18:53:33,507 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-25 18:53:33,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 221 treesize of output 219 [2021-11-25 18:53:35,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:53:35,171 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 18:53:35,187 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 18:53:35,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:53:35,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:53:35,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:53:35,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:53:35,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:53:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2021-11-25 18:53:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-25 18:53:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-11-25 18:53:36,385 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 19 treesize of output 1 [2021-11-25 18:53:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-25 18:53:36,680 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 18:53:36,689 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 18:53:36,732 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 18:53:36,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:53:36,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:53:36,792 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 18:53:36,831 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 18:53:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:36,879 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:53:36,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:53:36,890 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 18:53:37,068 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 18:53:37,144 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 18:53:37,158 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 18:53:37,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:53:37,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:53:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:37,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 12 [2021-11-25 18:53:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:37,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 12 [2021-11-25 18:53:37,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:53:38,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:53:38,017 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 18:53:38,031 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 18:53:40,951 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 142 for LOIs [2021-11-25 18:53:41,975 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 111 for LOIs [2021-11-25 18:53:42,364 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:53:42,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:53:42,385 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:53:42,386 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 18:53:42,696 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:53:42,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:53:42,722 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:53:42,723 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 18:53:42,958 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 18:53:43,048 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:53:43,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:53:43,074 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:53:43,075 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 18:53:43,343 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 23 for LOIs [2021-11-25 18:53:43,449 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 18:53:43,458 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 18:53:43,471 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 18:53:43,480 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 18:53:43,518 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 23 for LOIs [2021-11-25 18:53:43,529 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 75 for LOIs [2021-11-25 18:53:43,804 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 17 for LOIs [2021-11-25 18:53:43,806 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:54:14,032 WARN L227 SmtUtils]: Spent 9.27s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:54:24,843 WARN L227 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 95 DAG size of output: 84 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:54:26,867 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base|) |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.offset|))) (and (= |c_ULTIMATE.start_save_byte_from_array_#in~array#1.offset| |c_ULTIMATE.start_save_byte_from_array_~array#1.offset|) (= |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.offset| |c_ULTIMATE.start_save_byte_from_array_~storage#1.offset|) (<= 0 |c_#NULL.base|) (= (select |c_#length| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) 9) (<= 0 |c_~#s_can_fail_allocator_static~0.offset|) (= |c_ULTIMATE.start_save_byte_from_array_~storage#1.base| |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.offset| |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.offset|) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.offset|) (<= 5 |c_~#s_can_fail_allocator_static~0.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.offset| 0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_#t~mem789#1| .cse0) (<= |c_~#s_can_fail_allocator_static~0.base| 5) (<= |c_#NULL.offset| 0) (let ((.cse9 (select |c_#length| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base|))) (let ((.cse1 (= (select |c_#valid| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base|) 1)) (.cse2 (= .cse9 .cse0)) (.cse3 (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset| 0)) (.cse4 (not (= (mod (ite (= (ite (let ((.cse11 (mod |c_ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| 18446744073709551616))) (and (< 0 .cse11) (<= .cse11 9223372036854775808))) 1 0) 0) 0 1) 256) 0))) (.cse5 (not (= (mod (ite (= (ite (let ((.cse10 (mod |c_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1| 18446744073709551616))) (and (<= .cse10 2) (< 0 .cse10))) 1 0) 0) 0 1) 256) 0))) (.cse6 (= (* |c_ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |c_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1|) .cse0)) (.cse7 (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base| 0))) (.cse8 (< |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base| |c_#StackHeapBarrier|))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= (mod (ite (= (ite (<= (mod .cse0 18446744073709551616) 36028797018963967) 1 0) 0) 0 1) 256) 0)) .cse7 .cse8) (and .cse1 .cse2 .cse3 (not (= (mod (ite (= (ite (<= (mod .cse9 18446744073709551616) 36028797018963967) 1 0) 0) 0 1) 256) 0)) .cse4 .cse5 .cse6 .cse7 .cse8)))) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.offset|) (= |c_ULTIMATE.start_save_byte_from_array_~array#1.base| |c_ULTIMATE.start_save_byte_from_array_#in~array#1.base|) (<= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.offset| 0) (<= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset| 0) (= |c_ULTIMATE.start_save_byte_from_array_#in~array#1.offset| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset|) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base|) (<= |c_#NULL.base| 0) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset|) (= |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.base| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base|) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base| 0)) (<= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.offset| 0) (= (select |c_#valid| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) 1) (<= 0 |c_#NULL.offset|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base| |c_ULTIMATE.start_save_byte_from_array_#in~array#1.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_#t~mem789#1| |c_ULTIMATE.start_save_byte_from_array_#in~size#1|) (<= 0 |c_#StackHeapBarrier|) (<= |c_~#s_can_fail_allocator_static~0.offset| 0) (= |c_ULTIMATE.start_save_byte_from_array_#in~size#1| |c_ULTIMATE.start_save_byte_from_array_~size#1|))) is different from false [2021-11-25 18:55:23,843 WARN L227 SmtUtils]: Spent 46.82s on a formula simplification. DAG size of input: 135 DAG size of output: 106 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:56:08,691 WARN L227 SmtUtils]: Spent 36.67s on a formula simplification. DAG size of input: 157 DAG size of output: 128 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:56:58,739 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '897#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (exists ((|v_aws_array_list_is_valid_~#required_size~0.base_25| Int)) (and (= (select |#valid| |v_aws_array_list_is_valid_~#required_size~0.base_25|) 0) (or (exists ((v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 Int) (v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2 Int)) (and (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 8)) 18446744073709551616) 0)) (or (and (or (not (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0)) (not (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0))) (= (ite (= (ite (and (not (= (mod (ite (= (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 24)) 18446744073709551616) 0)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_25|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0))) 1 0) 0) 0 1) |__VERIFIER_assert_#in~cond|)) (and (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0) (= |__VERIFIER_assert_#in~cond| 0) (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0))))) (exists ((v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 Int) (v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2 Int)) (and (or (and (or (not (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0)) (not (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0))) (= (ite (= (ite (and (not (= (mod (ite (= (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 24)) 18446744073709551616) 0)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_25|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0))) 1 0) 0) 0 1) |__VERIFIER_assert_#in~cond|)) (and (= (ite (= (ite (and (not (= (mod (ite (= (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 24)) 18446744073709551616) 0)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_25|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0))) 1 0) 0) 0 1) |__VERIFIER_assert_#in~cond|) (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0) (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 32)) 0))) (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_2) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_2 8)) 18446744073709551616) 0)))))) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2021-11-25 18:56:58,739 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:56:58,739 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:56:58,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-11-25 18:56:58,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193659265] [2021-11-25 18:56:58,740 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 18:56:58,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-25 18:56:58,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:58,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-25 18:56:58,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=5394, Unknown=19, NotChecked=298, Total=6006 [2021-11-25 18:56:58,745 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 35 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 28 states have internal predecessors, (34), 13 states have call successors, (18), 5 states have call predecessors, (18), 10 states have return successors, (17), 14 states have call predecessors, (17), 12 states have call successors, (17) [2021-11-25 18:57:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:57:33,174 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2021-11-25 18:57:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-25 18:57:33,174 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 28 states have internal predecessors, (34), 13 states have call successors, (18), 5 states have call predecessors, (18), 10 states have return successors, (17), 14 states have call predecessors, (17), 12 states have call successors, (17) Word has length 74 [2021-11-25 18:57:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:57:33,179 INFO L225 Difference]: With dead ends: 146 [2021-11-25 18:57:33,179 INFO L226 Difference]: Without dead ends: 144 [2021-11-25 18:57:33,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 74 SyntacticMatches, 4 SemanticMatches, 97 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2935 ImplicationChecksByTransitivity, 254.1s TimeCoverageRelationStatistics Valid=437, Invalid=8861, Unknown=22, NotChecked=382, Total=9702 [2021-11-25 18:57:33,185 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 100 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 811 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:57:33,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 753 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1403 Invalid, 0 Unknown, 811 Unchecked, 4.8s Time] [2021-11-25 18:57:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-25 18:57:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 126. [2021-11-25 18:57:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 65 states have (on average 1.0923076923076922) internal successors, (71), 68 states have internal predecessors, (71), 43 states have call successors, (43), 15 states have call predecessors, (43), 17 states have return successors, (48), 42 states have call predecessors, (48), 41 states have call successors, (48) [2021-11-25 18:57:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 162 transitions. [2021-11-25 18:57:33,214 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 162 transitions. Word has length 74 [2021-11-25 18:57:33,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:57:33,215 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 162 transitions. [2021-11-25 18:57:33,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 28 states have internal predecessors, (34), 13 states have call successors, (18), 5 states have call predecessors, (18), 10 states have return successors, (17), 14 states have call predecessors, (17), 12 states have call successors, (17) [2021-11-25 18:57:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2021-11-25 18:57:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 18:57:33,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:57:33,218 INFO L514 BasicCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 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] [2021-11-25 18:57:33,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:57:33,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:57:33,434 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:57:33,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:57:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash -100496781, now seen corresponding path program 1 times [2021-11-25 18:57:33,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:57:33,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813714699] [2021-11-25 18:57:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:33,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:57:33,516 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:57:33,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116851376] [2021-11-25 18:57:33,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:33,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:57:33,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:57:33,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:57:33,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:57:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:57:33,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 18:57:33,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:57:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 18:57:33,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:57:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-25 18:57:34,360 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:57:34,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813714699] [2021-11-25 18:57:34,360 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:57:34,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116851376] [2021-11-25 18:57:34,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116851376] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:57:34,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1362953265] [2021-11-25 18:57:34,365 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2021-11-25 18:57:34,365 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:57:34,366 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:57:34,366 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:57:34,366 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:57:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,487 INFO L354 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2021-11-25 18:57:34,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 80 [2021-11-25 18:57:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,612 INFO L354 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2021-11-25 18:57:34,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 54 treesize of output 97 [2021-11-25 18:57:34,747 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 18:57:34,751 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 18:57:34,798 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 18:57:34,805 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 18:57:34,812 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 18:57:34,822 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 18:57:35,092 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 18:57:35,097 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 18:57:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:35,157 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 36 treesize of output 36 [2021-11-25 18:57:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:35,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2021-11-25 18:57:35,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:57:35,933 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 18:57:35,948 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 18:57:35,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:57:36,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:57:36,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:57:36,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:57:36,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:57:36,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:57:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-25 18:57:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-25 18:57:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:57:36,683 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 18:57:36,690 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 18:57:36,741 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 18:57:36,753 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 18:57:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:36,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:57:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,855 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:36,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:57:36,866 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 18:57:36,874 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 18:57:36,932 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 18:57:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 18:57:37,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:57:37,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:57:38,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:57:38,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:57:38,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 18:57:42,907 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 153 for LOIs [2021-11-25 18:57:45,859 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 54 for LOIs [2021-11-25 18:57:45,895 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 18:57:45,902 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 18:57:46,010 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 18:57:46,056 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 18:57:46,269 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 18:57:46,378 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 18:57:46,386 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 18:57:46,394 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 23 for LOIs [2021-11-25 18:57:46,483 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 18:57:46,494 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 18:57:46,507 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 18:57:46,515 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 18:57:46,792 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 23 for LOIs [2021-11-25 18:57:46,801 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 36 for LOIs [2021-11-25 18:57:46,811 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 35 for LOIs [2021-11-25 18:57:46,889 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 17 for LOIs [2021-11-25 18:57:46,891 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:58:01,598 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1868#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= |#NULL.base| 0) (exists ((|v_aws_array_list_is_valid_#t~ret126_23| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_31| Int)) (and (= (select |#valid| |v_aws_array_list_is_valid_~#required_size~0.base_31|) 0) (or (exists ((v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 Int) (v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3 Int)) (and (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 8)) 18446744073709551616) 0)) (or (and (= |__VERIFIER_assert_#in~cond| (ite (= (ite (and (not (= (mod (ite (= (ite (= |v_aws_array_list_is_valid_#t~ret126_23| 0) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_31|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= 0 (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 24)) 18446744073709551616) 0)) 1 0)) 0 1) 256) 0))) 1 0) 0) 0 1)) (or (not (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0)))) (and (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0) (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0) (= |__VERIFIER_assert_#in~cond| 0))))) (exists ((v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 Int) (v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3 Int)) (and (or (and (= |__VERIFIER_assert_#in~cond| (ite (= (ite (and (not (= (mod (ite (= (ite (= |v_aws_array_list_is_valid_#t~ret126_23| 0) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_31|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= 0 (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 24)) 18446744073709551616) 0)) 1 0)) 0 1) 256) 0))) 1 0) 0) 0 1)) (or (not (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0)))) (and (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0) (= |__VERIFIER_assert_#in~cond| (ite (= (ite (and (not (= (mod (ite (= (ite (= |v_aws_array_list_is_valid_#t~ret126_23| 0) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_31|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= 0 (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 24)) 18446744073709551616) 0)) 1 0)) 0 1) 256) 0))) 1 0) 0) 0 1)) (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 32)) 0))) (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_3) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_3 8)) 18446744073709551616) 0)))) (<= 0 (+ |v_aws_array_list_is_valid_#t~ret126_23| 1)) (<= |v_aws_array_list_is_valid_#t~ret126_23| 0))) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2021-11-25 18:58:01,599 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:58:01,599 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:58:01,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-11-25 18:58:01,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485870392] [2021-11-25 18:58:01,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:58:01,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-25 18:58:01,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:58:01,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-25 18:58:01,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=3438, Unknown=0, NotChecked=0, Total=3660 [2021-11-25 18:58:01,602 INFO L87 Difference]: Start difference. First operand 126 states and 162 transitions. Second operand has 17 states, 10 states have (on average 4.3) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-25 18:58:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:58:02,000 INFO L93 Difference]: Finished difference Result 187 states and 234 transitions. [2021-11-25 18:58:02,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:58:02,002 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 10 states have (on average 4.3) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) Word has length 78 [2021-11-25 18:58:02,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:58:02,004 INFO L225 Difference]: With dead ends: 187 [2021-11-25 18:58:02,004 INFO L226 Difference]: Without dead ends: 125 [2021-11-25 18:58:02,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=230, Invalid=3676, Unknown=0, NotChecked=0, Total=3906 [2021-11-25 18:58:02,008 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 3 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:58:02,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 1286 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:58:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-25 18:58:02,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2021-11-25 18:58:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.09375) internal successors, (70), 67 states have internal predecessors, (70), 42 states have call successors, (42), 15 states have call predecessors, (42), 17 states have return successors, (45), 41 states have call predecessors, (45), 40 states have call successors, (45) [2021-11-25 18:58:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2021-11-25 18:58:02,029 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 78 [2021-11-25 18:58:02,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:58:02,030 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2021-11-25 18:58:02,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 10 states have (on average 4.3) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-25 18:58:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2021-11-25 18:58:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 18:58:02,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:02,032 INFO L514 BasicCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 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] [2021-11-25 18:58:02,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:58:02,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:58:02,258 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:58:02,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:02,258 INFO L85 PathProgramCache]: Analyzing trace with hash -721511181, now seen corresponding path program 2 times [2021-11-25 18:58:02,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:02,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099820698] [2021-11-25 18:58:02,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:02,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:02,347 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:58:02,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212705505] [2021-11-25 18:58:02,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:58:02,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:58:02,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:58:02,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:58:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:58:03,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-25 18:58:03,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:58:03,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-25 18:58:03,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:58:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-25 18:58:03,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:58:03,170 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:03,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099820698] [2021-11-25 18:58:03,171 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:58:03,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212705505] [2021-11-25 18:58:03,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212705505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:58:03,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:58:03,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:58:03,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969955133] [2021-11-25 18:58:03,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:58:03,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:58:03,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:58:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:58:03,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:58:03,173 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 8 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-25 18:58:03,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:58:03,331 INFO L93 Difference]: Finished difference Result 214 states and 263 transitions. [2021-11-25 18:58:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:58:03,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 78 [2021-11-25 18:58:03,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:58:03,335 INFO L225 Difference]: With dead ends: 214 [2021-11-25 18:58:03,335 INFO L226 Difference]: Without dead ends: 112 [2021-11-25 18:58:03,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:58:03,338 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:58:03,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 569 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:58:03,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-25 18:58:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-11-25 18:58:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 60 states have internal predecessors, (61), 39 states have call successors, (39), 14 states have call predecessors, (39), 15 states have return successors, (41), 37 states have call predecessors, (41), 37 states have call successors, (41) [2021-11-25 18:58:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 141 transitions. [2021-11-25 18:58:03,356 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 141 transitions. Word has length 78 [2021-11-25 18:58:03,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:58:03,357 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 141 transitions. [2021-11-25 18:58:03,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-25 18:58:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2021-11-25 18:58:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 18:58:03,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:03,359 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:58:03,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:58:03,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:58:03,566 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:58:03,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:03,567 INFO L85 PathProgramCache]: Analyzing trace with hash 445763885, now seen corresponding path program 1 times [2021-11-25 18:58:03,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:03,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764682637] [2021-11-25 18:58:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:03,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:03,614 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:58:03,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644270934] [2021-11-25 18:58:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:03,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:58:03,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:58:03,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:58:03,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:58:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:58:04,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-25 18:58:04,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:58:04,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:58:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:04,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2021-11-25 18:58:18,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 106 [2021-11-25 18:58:22,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 160 [2021-11-25 18:58:22,550 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:58:22,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 76 [2021-11-25 18:58:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-25 18:58:22,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:58:30,238 WARN L227 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 340 DAG size of output: 149 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:58:31,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2021-11-25 18:58:44,209 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_29| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| Int)) (let ((.cse1 (* (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_29|))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 .cse1)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (= 0 (mod (select .cse0 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616)) (and (<= (mod .cse1 18446744073709551616) (mod (select .cse0 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616)) (or (forall ((v_ArrVal_743 Int)) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 v_ArrVal_743)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 32 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) 0))) (forall ((|aux_div_v_aws_array_list_is_valid_#t~mem132_64_67| Int)) (let ((.cse2 (* 18446744073709551616 |aux_div_v_aws_array_list_is_valid_#t~mem132_64_67|)) (.cse3 (select (select (store |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 (* (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_29|))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)))) (or (= .cse2 .cse3) (< .cse3 .cse2) (<= (+ .cse2 18446744073709551616) .cse3)))))))))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_29| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| Int)) (not (= 0 (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 (* (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_29|))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616))))) is different from false [2021-11-25 18:58:44,215 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:44,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764682637] [2021-11-25 18:58:44,216 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:58:44,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644270934] [2021-11-25 18:58:44,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644270934] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:58:44,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [42293445] [2021-11-25 18:58:44,220 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2021-11-25 18:58:44,220 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:58:44,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:58:44,221 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:58:44,221 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:58:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:44,339 INFO L354 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2021-11-25 18:58:44,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 80 [2021-11-25 18:58:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:44,464 INFO L354 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2021-11-25 18:58:44,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 54 treesize of output 97 [2021-11-25 18:58:44,589 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 18:58:44,594 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 18:58:44,636 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 18:58:44,642 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 18:58:44,650 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 18:58:44,660 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 18:58:45,030 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 18:58:45,035 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 18:58:45,203 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 18:58:45,581 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 18:58:45,695 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 18:58:45,775 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 18:58:45,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:45,971 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 36 treesize of output 36 [2021-11-25 18:58:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:46,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2021-11-25 18:58:46,108 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 18:58:46,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:58:46,996 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:58:46,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 50 [2021-11-25 18:58:47,140 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 18:58:47,190 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 18:58:47,563 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 19 treesize of output 1 [2021-11-25 18:58:47,570 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 19 treesize of output 1 [2021-11-25 18:58:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:47,597 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-11-25 18:58:47,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 42 [2021-11-25 18:58:47,604 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 19 treesize of output 1 [2021-11-25 18:58:48,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:58:48,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:58:48,187 INFO L354 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2021-11-25 18:58:48,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 69 [2021-11-25 18:58:48,236 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 18:58:48,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:58:48,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-11-25 18:58:48,560 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 19 treesize of output 1 [2021-11-25 18:58:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2021-11-25 18:58:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-25 18:58:48,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-25 18:58:48,674 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 18:58:48,682 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 18:58:48,710 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 18:58:48,721 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 18:58:48,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,755 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:58:48,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:58:48,784 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 18:58:48,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:48,816 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:58:48,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:58:48,827 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 18:58:48,940 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 18:58:49,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:58:49,215 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 18:58:49,222 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 18:58:49,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:58:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:49,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 12 [2021-11-25 18:58:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:58:49,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 12 [2021-11-25 18:58:49,542 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 18:58:49,553 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 18:58:49,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:58:49,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:58:50,333 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 142 for LOIs [2021-11-25 18:58:51,161 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 78 for LOIs [2021-11-25 18:58:51,256 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:58:51,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:58:51,275 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:58:51,275 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 18:58:51,542 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:58:51,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:58:51,562 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:58:51,562 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 18:58:51,914 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 18:58:52,144 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:58:52,144 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 18:58:52,161 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:58:52,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:58:52,172 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 23 for LOIs [2021-11-25 18:58:52,260 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 18:58:52,272 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 18:58:52,279 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 18:58:52,302 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 18:58:52,333 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 23 for LOIs [2021-11-25 18:58:52,341 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 75 for LOIs [2021-11-25 18:58:52,655 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 80 for LOIs [2021-11-25 18:58:52,663 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:59:46,958 WARN L227 SmtUtils]: Spent 20.24s on a formula simplification. DAG size of input: 133 DAG size of output: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:00:13,143 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3387#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (exists ((|v_aws_array_list_is_valid_~#required_size~0.base_39| Int)) (and (= (select |#valid| |v_aws_array_list_is_valid_~#required_size~0.base_39|) 0) (or (exists ((v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 Int) (v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6 Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0) (= (ite (= (ite (and (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_39|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 24)) 18446744073709551616) 0)) 1 0) 0) 0 1) 256) 0))) 1 0) 0) 0 1) |__VERIFIER_assert_#in~cond|) (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0)) (not (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0))) (= (ite (= (ite (and (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_39|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 24)) 18446744073709551616) 0)) 1 0) 0) 0 1) 256) 0))) 1 0) 0) 0 1) |__VERIFIER_assert_#in~cond|))) (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 8)) 18446744073709551616) 0))) (exists ((v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 Int) (v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6 Int)) (and (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 8)) 18446744073709551616) 0)) (or (and (or (not (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0)) (not (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0))) (= (ite (= (ite (and (not (= (mod (ite (= (ite (<= (mod (select (select |#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_39|) 0) 18446744073709551616) (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 8)) 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (not (= (mod (ite (= (ite (not (= (mod (select (select |#memory_int| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 24)) 18446744073709551616) 0)) 1 0) 0) 0 1) 256) 0))) 1 0) 0) 0 1) |__VERIFIER_assert_#in~cond|)) (and (= (select (select |#memory_$Pointer$.base| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0) (= |__VERIFIER_assert_#in~cond| 0) (= (select (select |#memory_$Pointer$.offset| v_aws_array_list_is_valid_~list.base_BEFORE_RETURN_6) (+ v_aws_array_list_is_valid_~list.offset_BEFORE_RETURN_6 32)) 0)))))))) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2021-11-25 19:00:13,143 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 19:00:13,144 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:00:13,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-11-25 19:00:13,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509482289] [2021-11-25 19:00:13,144 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 19:00:13,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-25 19:00:13,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:13,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-25 19:00:13,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=4259, Unknown=8, NotChecked=132, Total=4692 [2021-11-25 19:00:13,147 INFO L87 Difference]: Start difference. First operand 112 states and 141 transitions. Second operand has 24 states, 16 states have (on average 1.875) internal successors, (30), 19 states have internal predecessors, (30), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2021-11-25 19:00:14,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:14,434 INFO L93 Difference]: Finished difference Result 142 states and 183 transitions. [2021-11-25 19:00:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:00:14,435 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 1.875) internal successors, (30), 19 states have internal predecessors, (30), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) Word has length 78 [2021-11-25 19:00:14,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:14,438 INFO L225 Difference]: With dead ends: 142 [2021-11-25 19:00:14,438 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 19:00:14,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 91 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 97.2s TimeCoverageRelationStatistics Valid=335, Invalid=5211, Unknown=8, NotChecked=146, Total=5700 [2021-11-25 19:00:14,441 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 66 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 369 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:14,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 920 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 997 Invalid, 0 Unknown, 369 Unchecked, 1.1s Time] [2021-11-25 19:00:14,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 19:00:14,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 110. [2021-11-25 19:00:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 59 states have internal predecessors, (60), 38 states have call successors, (38), 14 states have call predecessors, (38), 15 states have return successors, (39), 36 states have call predecessors, (39), 36 states have call successors, (39) [2021-11-25 19:00:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 137 transitions. [2021-11-25 19:00:14,462 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 137 transitions. Word has length 78 [2021-11-25 19:00:14,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:14,463 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 137 transitions. [2021-11-25 19:00:14,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 1.875) internal successors, (30), 19 states have internal predecessors, (30), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2021-11-25 19:00:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 137 transitions. [2021-11-25 19:00:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:00:14,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:14,465 INFO L514 BasicCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 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] [2021-11-25 19:00:14,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:14,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:14,690 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:14,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:14,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2094784371, now seen corresponding path program 3 times [2021-11-25 19:00:14,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:14,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821972441] [2021-11-25 19:00:14,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:14,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:14,732 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:14,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37119493] [2021-11-25 19:00:14,733 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 19:00:14,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:14,734 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:14,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 19:00:15,235 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 19:00:15,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-25 19:00:15,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:00:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:00:16,466 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:00:16,467 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:00:16,468 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:00:16,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-25 19:00:16,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 19:00:16,683 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2021-11-25 19:00:16,686 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:00:16,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:00:16 BoogieIcfgContainer [2021-11-25 19:00:16,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:00:16,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:00:16,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:00:16,794 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:00:16,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:09" (3/4) ... [2021-11-25 19:00:16,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:00:16,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:00:16,799 INFO L158 Benchmark]: Toolchain (without parser) took 491009.24ms. Allocated memory was 113.2MB in the beginning and 373.3MB in the end (delta: 260.0MB). Free memory was 87.7MB in the beginning and 227.4MB in the end (delta: -139.7MB). Peak memory consumption was 118.9MB. Max. memory is 16.1GB. [2021-11-25 19:00:16,800 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:00:16,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2731.15ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 87.4MB in the beginning and 66.4MB in the end (delta: 21.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-25 19:00:16,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.16ms. Allocated memory is still 136.3MB. Free memory was 66.4MB in the beginning and 60.2MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 19:00:16,801 INFO L158 Benchmark]: Boogie Preprocessor took 47.41ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 56.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 19:00:16,801 INFO L158 Benchmark]: RCFGBuilder took 781.53ms. Allocated memory is still 136.3MB. Free memory was 56.6MB in the beginning and 71.3MB in the end (delta: -14.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-25 19:00:16,801 INFO L158 Benchmark]: TraceAbstraction took 487271.14ms. Allocated memory was 136.3MB in the beginning and 373.3MB in the end (delta: 237.0MB). Free memory was 70.1MB in the beginning and 228.5MB in the end (delta: -158.4MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2021-11-25 19:00:16,802 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 373.3MB. Free memory was 228.5MB in the beginning and 227.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:00:16,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2731.15ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 87.4MB in the beginning and 66.4MB in the end (delta: 21.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.16ms. Allocated memory is still 136.3MB. Free memory was 66.4MB in the beginning and 60.2MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.41ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 56.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 781.53ms. Allocated memory is still 136.3MB. Free memory was 56.6MB in the beginning and 71.3MB in the end (delta: -14.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 487271.14ms. Allocated memory was 136.3MB in the beginning and 373.3MB in the end (delta: 237.0MB). Free memory was 70.1MB in the beginning and 228.5MB in the end (delta: -158.4MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 373.3MB. Free memory was 228.5MB in the beginning and 227.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L2762-L2767] 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, }; [L7359] static __thread int tl_last_error = 0; [L7617] CALL aws_array_list_init_static_harness() [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; VAL [len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] CALL assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] CALL assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L7596] RET, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7596] RET assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=170141183460469231713240559642174554112, initial_item_allocation=9223372036854775808, item_size=2, len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=170141183460469231713240559642174554112, bounded_malloc(len)={6:0}, initial_item_allocation=9223372036854775808, item_size=2, len={12:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] EXPR \read(len) [L7601] CALL save_byte_from_array(raw_array, len, &old_byte) [L7183] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={6:0}, array={6:0}, s_can_fail_allocator_static={5:0}, size=0, storage={10:0}, storage={10:0}, tl_last_error=0] [L7601] RET save_byte_from_array(raw_array, len, &old_byte) [L7603] CALL aws_array_list_init_static(&list, raw_array, initial_item_allocation, item_size) [L3237-L3239] CALL assume_abort_if_not((list != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3237-L3239] RET assume_abort_if_not((list != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3240-L3242] RET assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3243] RET assume_abort_if_not((item_count > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3244] RET assume_abort_if_not((item_size > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3246-L3247] list->alloc = ((void *)0) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] CALL, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={9:8}, r={9:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={9:8}, r={9:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] RET, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_mul_size_checked(item_count, item_size, &list->current_size)=0, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L3251] CALL assume_abort_if_not((no_overflow)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size VAL [\old(tl_last_error)=0, list={9:0}, list={9:0}, list->item_size=-18446744073709551614, list->length=0, required_size={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3272] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, r={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=1, a=0, b=2, r={13:0}, r={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND TRUE __CPROVER_overflow_mult(a, b) [L2497] CALL, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err [L1996] RET aws_raise_error_private(err) [L1998] return (-1); [L2497] RET, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, a=0, aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED)=-1, b=2, r={13:0}, r={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3272] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(tl_last_error)=0, aws_mul_size_checked(list->length, list->item_size, &required_size)=-1, list={9:0}, list={9:0}, list->item_size=-18446744073709551614, list->length=0, required_size={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; VAL [\old(tl_last_error)=0, \result=0, current_size_is_valid=1, data_is_valid=1, item_size_is_valid=1, list={9:0}, list={9:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] RET, EXPR aws_array_list_is_valid(list) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_array_list_is_valid(list)=0, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 487.1s, OverallIterations: 6, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 36.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 226 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 3895 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1180 IncrementalHoareTripleChecker+Unchecked, 3833 mSDsCounter, 272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3141 IncrementalHoareTripleChecker+Invalid, 4593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 272 mSolverCounterUnsat, 391 mSDtfsCounter, 3141 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 720 GetRequests, 468 SyntacticMatches, 7 SemanticMatches, 245 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5238 ImplicationChecksByTransitivity, 366.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=2, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 49 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 120.8s InterpolantComputationTime, 451 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 445 ConstructedInterpolants, 14 QuantifiedInterpolants, 2501 SizeOfPredicates, 127 NumberOfNonLiveVariables, 3265 ConjunctsInSsa, 468 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 484/562 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 [2021-11-25 19:00:17,027 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 19:00:17,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/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_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:00:19,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:00:19,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:00:19,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:00:19,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:00:19,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:00:19,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:00:19,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:00:19,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:00:19,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:00:19,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:00:19,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:00:19,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:00:19,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:00:19,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:00:19,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:00:19,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:00:19,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:00:19,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:00:19,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:00:19,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:00:19,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:00:19,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:00:19,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:00:19,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:00:19,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:00:19,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:00:19,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:00:19,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:00:19,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:00:19,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:00:19,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:00:19,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:00:19,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:00:19,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:00:19,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:00:19,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:00:19,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:00:19,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:00:19,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:00:19,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:00:19,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-25 19:00:19,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:00:19,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:00:19,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:00:19,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:00:19,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:00:19,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:00:19,419 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:00:19,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:00:19,420 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:00:19,420 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:00:19,420 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:00:19,421 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:00:19,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:00:19,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:00:19,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:00:19,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:00:19,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:00:19,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:00:19,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:00:19,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:00:19,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:00:19,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:00:19,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:00:19,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:00:19,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:00:19,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:00:19,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:19,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:00:19,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:00:19,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:00:19,426 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:00:19,426 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:00:19,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:00:19,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:00:19,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:00:19,427 INFO L138 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2021-11-25 19:00:19,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:00:19,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:00:19,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:00:19,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:00:19,841 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:00:19,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-25 19:00:19,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/50e59a4c8/303ed56681334e1497d54a50a8c7f790/FLAG6a98156db [2021-11-25 19:00:20,692 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:00:20,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-25 19:00:20,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/50e59a4c8/303ed56681334e1497d54a50a8c7f790/FLAG6a98156db [2021-11-25 19:00:20,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/data/50e59a4c8/303ed56681334e1497d54a50a8c7f790 [2021-11-25 19:00:20,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:00:20,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:00:20,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:20,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:00:20,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:00:20,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:20" (1/1) ... [2021-11-25 19:00:20,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d83e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:20, skipping insertion in model container [2021-11-25 19:00:20,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:20" (1/1) ... [2021-11-25 19:00:20,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:00:20,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:00:21,221 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-25 19:00:21,227 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-25 19:00:22,092 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:00:22,193 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,193 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,194 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,211 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,212 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,217 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,218 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,219 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,611 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:00:22,612 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:00:22,613 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:00:22,615 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:00:22,616 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:00:22,617 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:00:22,618 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:00:22,619 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:00:22,620 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:00:22,620 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:00:22,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:22,854 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-25 19:00:22,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:00:22,904 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-25 19:00:22,905 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-25 19:00:22,948 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:00:22,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,977 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,979 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,980 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,981 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,982 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,983 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:22,983 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,031 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:00:23,032 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:00:23,033 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:00:23,034 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:00:23,034 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:00:23,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:00:23,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:00:23,036 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:00:23,036 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:00:23,037 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:00:23,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:23,131 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:00:23,159 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-25 19:00:23,160 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_1f8317ce-c879-4730-a0f8-acb85d6bf858/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-25 19:00:23,209 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:00:23,233 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,234 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,253 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,254 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,259 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,262 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,315 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:00:23,316 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:00:23,317 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:00:23,317 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:00:23,318 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:00:23,319 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:00:23,320 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:00:23,320 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:00:23,321 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:00:23,321 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:00:23,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:00:23,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:23,715 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:00:23,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23 WrapperNode [2021-11-25 19:00:23,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:23,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:23,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:00:23,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:00:23,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,915 INFO L137 Inliner]: procedures = 700, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 155 [2021-11-25 19:00:23,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:23,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:00:23,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:00:23,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:00:23,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:23,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:00:23,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:00:23,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:00:23,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:00:24,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (1/1) ... [2021-11-25 19:00:24,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:24,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:24,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:00:24,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:00:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:00:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-25 19:00:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-25 19:00:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:00:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-25 19:00:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-25 19:00:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-25 19:00:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:00:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:00:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:00:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:00:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:00:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:00:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:00:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 19:00:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 19:00:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-25 19:00:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 19:00:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 19:00:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-25 19:00:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-25 19:00:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-25 19:00:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:00:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:00:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:00:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:00:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-25 19:00:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-25 19:00:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:00:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-25 19:00:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-25 19:00:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 19:00:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 19:00:24,354 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:00:24,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:00:27,209 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:00:27,216 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:00:27,216 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:00:27,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:00:27 BoogieIcfgContainer [2021-11-25 19:00:27,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:00:27,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:00:27,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:00:27,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:00:27,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:00:20" (1/3) ... [2021-11-25 19:00:27,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f353d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:00:27, skipping insertion in model container [2021-11-25 19:00:27,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:23" (2/3) ... [2021-11-25 19:00:27,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f353d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:00:27, skipping insertion in model container [2021-11-25 19:00:27,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:00:27" (3/3) ... [2021-11-25 19:00:27,241 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2021-11-25 19:00:27,246 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:00:27,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:00:27,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:00:27,347 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 19:00:27,363 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:00:27,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-25 19:00:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 19:00:27,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:27,409 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-11-25 19:00:27,410 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:27,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2021-11-25 19:00:27,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:00:27,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039752385] [2021-11-25 19:00:27,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:27,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:00:27,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:00:27,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:00:27,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:00:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:27,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 19:00:27,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-25 19:00:28,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:28,243 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:00:28,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039752385] [2021-11-25 19:00:28,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039752385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:28,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:28,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:00:28,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862773582] [2021-11-25 19:00:28,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:28,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:00:28,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:00:28,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:00:28,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:00:28,286 INFO L87 Difference]: Start difference. First operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:00:28,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:28,323 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2021-11-25 19:00:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:00:28,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2021-11-25 19:00:28,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:28,334 INFO L225 Difference]: With dead ends: 205 [2021-11-25 19:00:28,334 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 19:00:28,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:00:28,342 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:28,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:00:28,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 19:00:28,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 19:00:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 58 states have internal predecessors, (65), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-25 19:00:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2021-11-25 19:00:28,393 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2021-11-25 19:00:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:28,393 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2021-11-25 19:00:28,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:00:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2021-11-25 19:00:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 19:00:28,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:28,399 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-11-25 19:00:28,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:28,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:00:28,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:28,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:28,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2021-11-25 19:00:28,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:00:28,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22070833] [2021-11-25 19:00:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:28,603 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:00:28,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:00:28,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:00:28,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:00:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:29,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 19:00:29,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-25 19:00:29,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:29,560 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:00:29,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22070833] [2021-11-25 19:00:29,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22070833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:29,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:29,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:00:29,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593712020] [2021-11-25 19:00:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:29,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:00:29,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:00:29,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:00:29,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:00:29,571 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 19:00:32,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:32,908 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2021-11-25 19:00:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:00:32,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 88 [2021-11-25 19:00:32,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:32,913 INFO L225 Difference]: With dead ends: 165 [2021-11-25 19:00:32,914 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 19:00:32,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:00:32,916 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 47 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:32,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 453 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:00:32,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 19:00:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 19:00:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 58 states have internal predecessors, (64), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-25 19:00:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2021-11-25 19:00:32,936 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 88 [2021-11-25 19:00:32,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:32,938 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2021-11-25 19:00:32,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 19:00:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2021-11-25 19:00:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 19:00:32,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:32,943 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:32,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:33,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:00:33,159 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:33,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2021-11-25 19:00:33,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:00:33,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559581442] [2021-11-25 19:00:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:33,162 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:00:33,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:00:33,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:00:33,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 19:00:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:34,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-25 19:00:34,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:36,941 INFO L354 Elim1Store]: treesize reduction 1099, result has 7.0 percent of original size [2021-11-25 19:00:36,942 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 7 case distinctions, treesize of input 70 treesize of output 95 [2021-11-25 19:00:46,546 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1| (_ BitVec 64))) (let ((.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1|)) (.cse0 (bvmul |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2|))) (and (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= ((_ extract 63 56) .cse0) (select .cse1 (_ bv7 64))) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (= ((_ extract 23 16) .cse0) (select .cse1 (_ bv2 64))) (= (select .cse1 (_ bv6 64)) ((_ extract 55 48) .cse0)) (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= ((_ extract 15 8) .cse0) (select .cse1 (_ bv1 64))) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv2 64)) (= ((_ extract 7 0) .cse0) (select .cse1 (_ bv0 64))) (= (select .cse1 (_ bv4 64)) ((_ extract 39 32) .cse0)) (= (select .cse1 (_ bv3 64)) ((_ extract 31 24) .cse0)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv0 64))))) is different from true [2021-11-25 19:02:01,218 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:02:01,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 259 treesize of output 195 [2021-11-25 19:02:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:02:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:15,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 163 [2021-11-25 19:03:03,169 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base) (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (let ((.cse0 (bvuge (let ((.cse1 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse1 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse1 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse1 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))) (let ((.cse2 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse2 (_ bv7 64)) (select .cse2 (_ bv6 64))) (select .cse2 (_ bv5 64))) (select .cse2 (_ bv4 64))) (select .cse2 (_ bv3 64))) (select .cse2 (_ bv2 64))) (select .cse2 (_ bv1 64))) (select .cse2 (_ bv0 64))))))) (or (and .cse0 (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (not .cse0) (= c_aws_array_list_is_valid_~current_size_is_valid~0 (_ bv0 8))))) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse3 (bvmul (let ((.cse4 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse4 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse4 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))) |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse3)) (_ bv1 64) ((_ extract 15 8) .cse3)) (_ bv2 64) ((_ extract 23 16) .cse3)) (_ bv3 64) ((_ extract 31 24) .cse3)) (_ bv4 64) ((_ extract 39 32) .cse3)) (_ bv5 64) ((_ extract 47 40) .cse3)) (_ bv6 64) ((_ extract 55 48) .cse3)) (_ bv7 64) ((_ extract 63 56) .cse3))))))) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset)) is different from false [2021-11-25 19:03:17,023 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base) |c_aws_array_list_is_valid_#t~short135| (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (let ((.cse0 (bvuge (let ((.cse1 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse1 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse1 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse1 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))) (let ((.cse2 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse2 (_ bv7 64)) (select .cse2 (_ bv6 64))) (select .cse2 (_ bv5 64))) (select .cse2 (_ bv4 64))) (select .cse2 (_ bv3 64))) (select .cse2 (_ bv2 64))) (select .cse2 (_ bv1 64))) (select .cse2 (_ bv0 64))))))) (or (and .cse0 (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (not .cse0) (= c_aws_array_list_is_valid_~current_size_is_valid~0 (_ bv0 8))))) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse3 (bvmul (let ((.cse4 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse4 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse4 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse4 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))) |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse3)) (_ bv1 64) ((_ extract 15 8) .cse3)) (_ bv2 64) ((_ extract 23 16) .cse3)) (_ bv3 64) ((_ extract 31 24) .cse3)) (_ bv4 64) ((_ extract 39 32) .cse3)) (_ bv5 64) ((_ extract 47 40) .cse3)) (_ bv6 64) ((_ extract 55 48) .cse3)) (_ bv7 64) ((_ extract 63 56) .cse3))))))) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset)) is different from false [2021-11-25 19:03:56,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:03:56,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 6292 treesize of output 4366 [2021-11-25 19:03:57,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-11-25 19:04:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 60 refuted. 20 times theorem prover too weak. 64 trivial. 10 not checked. [2021-11-25 19:04:10,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:04:32,846 WARN L227 SmtUtils]: Spent 7.34s on a formula simplification that was a NOOP. DAG size: 243 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:04:46,757 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_aws_mul_size_checked_~r#1.base_7| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse3 (bvmul (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (bvadd (_ bv23 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse4 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse4 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv16 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11|))) (let ((.cse1 ((_ extract 63 56) .cse3))) (let ((.cse2 (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7|) (_ bv0 64) ((_ extract 7 0) .cse3)) (_ bv1 64) ((_ extract 15 8) .cse3)) (_ bv2 64) ((_ extract 23 16) .cse3)) (_ bv3 64) ((_ extract 31 24) .cse3)) (_ bv4 64) ((_ extract 39 32) .cse3)) (_ bv5 64) ((_ extract 47 40) .cse3)) (_ bv6 64) ((_ extract 55 48) .cse3)) (_ bv7 64) .cse1))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7| .cse2) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64)))) (select .cse0 (bvadd (_ bv11 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (concat (concat (concat (concat (concat (concat (concat .cse1 (select .cse2 (_ bv6 64))) (select .cse2 (_ bv5 64))) (select .cse2 (_ bv4 64))) (select .cse2 (_ bv3 64))) (select .cse2 (_ bv2 64))) (select .cse2 (_ bv1 64))) (select .cse2 (_ bv0 64)))) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))))) (forall ((|v_aws_mul_size_checked_~r#1.base_7| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse5 (select (store |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7| (let ((.cse6 (bvmul (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv23 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse7 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse7 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv16 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11|))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7|) (_ bv0 64) ((_ extract 7 0) .cse6)) (_ bv1 64) ((_ extract 15 8) .cse6)) (_ bv2 64) ((_ extract 23 16) .cse6)) (_ bv3 64) ((_ extract 31 24) .cse6)) (_ bv4 64) ((_ extract 39 32) .cse6)) (_ bv5 64) ((_ extract 47 40) .cse6)) (_ bv6 64) ((_ extract 55 48) .cse6)) (_ bv7 64) ((_ extract 63 56) .cse6)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse5 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse5 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))) is different from false [2021-11-25 19:04:48,783 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_aws_mul_size_checked_~r#1.base_7| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse3 (bvmul (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (bvadd (_ bv23 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse4 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse4 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse4 (bvadd (_ bv16 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11|))) (let ((.cse1 ((_ extract 63 56) .cse3))) (let ((.cse2 (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7|) (_ bv0 64) ((_ extract 7 0) .cse3)) (_ bv1 64) ((_ extract 15 8) .cse3)) (_ bv2 64) ((_ extract 23 16) .cse3)) (_ bv3 64) ((_ extract 31 24) .cse3)) (_ bv4 64) ((_ extract 39 32) .cse3)) (_ bv5 64) ((_ extract 47 40) .cse3)) (_ bv6 64) ((_ extract 55 48) .cse3)) (_ bv7 64) .cse1))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7| .cse2) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64)))) (select .cse0 (bvadd (_ bv11 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (concat (concat (concat (concat (concat (concat (concat .cse1 (select .cse2 (_ bv6 64))) (select .cse2 (_ bv5 64))) (select .cse2 (_ bv4 64))) (select .cse2 (_ bv3 64))) (select .cse2 (_ bv2 64))) (select .cse2 (_ bv1 64))) (select .cse2 (_ bv0 64)))) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))))) (forall ((|v_aws_mul_size_checked_~r#1.base_7| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse5 (select (store |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7| (let ((.cse6 (bvmul (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv23 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse7 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse7 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse7 (bvadd (_ bv16 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11|))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_mul_size_checked_~r#1.base_7|) (_ bv0 64) ((_ extract 7 0) .cse6)) (_ bv1 64) ((_ extract 15 8) .cse6)) (_ bv2 64) ((_ extract 23 16) .cse6)) (_ bv3 64) ((_ extract 31 24) .cse6)) (_ bv4 64) ((_ extract 39 32) .cse6)) (_ bv5 64) ((_ extract 47 40) .cse6)) (_ bv6 64) ((_ extract 55 48) .cse6)) (_ bv7 64) ((_ extract 63 56) .cse6)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse5 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse5 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse5 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))) is different from true [2021-11-25 19:04:48,785 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:04:48,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559581442] [2021-11-25 19:04:48,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559581442] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:04:48,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [552338412] [2021-11-25 19:04:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:48,785 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-25 19:04:48,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/cvc4 [2021-11-25 19:04:48,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-25 19:04:48,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8317ce-c879-4730-a0f8-acb85d6bf858/bin/utaipan-eEHZpOm5b7/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-25 19:05:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:22,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 19:05:22,032 INFO L286 TraceCheckSpWp]: Computing forward predicates...