./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 13ab51b5126028da19fd5973a25f590452a4763e1cc4e396aeee438668151298 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:09:23,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:09:23,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:09:23,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:09:23,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:09:23,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:09:23,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:09:23,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:09:23,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:09:23,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:09:23,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:09:23,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:09:23,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:09:23,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:09:23,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:09:23,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:09:23,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:09:23,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:09:23,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:09:23,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:09:23,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:09:23,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:09:23,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:09:23,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:09:23,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:09:23,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:09:23,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:09:23,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:09:23,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:09:23,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:09:23,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:09:23,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:09:23,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:09:23,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:09:23,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:09:23,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:09:23,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:09:23,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:09:23,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:09:23,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:09:23,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:09:23,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:09:23,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:09:23,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:09:23,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:09:23,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:09:23,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:09:23,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:09:23,209 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:09:23,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:09:23,209 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:09:23,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:09:23,211 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:09:23,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:09:23,211 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:09:23,211 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:09:23,212 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:09:23,212 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:09:23,212 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:09:23,212 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:09:23,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:09:23,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:09:23,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:09:23,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:09:23,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:09:23,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:09:23,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:09:23,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:09:23,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:09:23,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:09:23,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:09:23,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:09:23,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:09:23,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:09:23,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:09:23,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:09:23,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:09:23,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:09:23,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:09:23,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:09:23,221 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_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ab51b5126028da19fd5973a25f590452a4763e1cc4e396aeee438668151298 [2021-11-23 02:09:23,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:09:23,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:09:23,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:09:23,549 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:09:23,550 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:09:23,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2021-11-23 02:09:23,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/data/df904be2a/8ab6e837e4c742bc8f7bc668c3e4ff12/FLAG23624d822 [2021-11-23 02:09:24,628 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:09:24,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2021-11-23 02:09:24,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/data/df904be2a/8ab6e837e4c742bc8f7bc668c3e4ff12/FLAG23624d822 [2021-11-23 02:09:25,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/data/df904be2a/8ab6e837e4c742bc8f7bc668c3e4ff12 [2021-11-23 02:09:25,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:09:25,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:09:25,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:09:25,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:09:25,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:09:25,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:25" (1/1) ... [2021-11-23 02:09:25,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19640cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:25, skipping insertion in model container [2021-11-23 02:09:25,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:25" (1/1) ... [2021-11-23 02:09:25,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:09:25,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:09:25,521 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_2fd18a64-0010-4ab1-86fa-bfc216c858fc/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4492,4505] [2021-11-23 02:09:25,527 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_2fd18a64-0010-4ab1-86fa-bfc216c858fc/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4552,4565] [2021-11-23 02:09:26,691 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,705 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,727 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,739 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:26,743 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:27,292 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:09:27,295 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:09:27,296 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:09:27,298 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:09:27,302 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:09:27,302 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:09:27,305 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:09:27,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:09:27,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:09:27,310 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:09:27,562 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:09:27,950 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:27,951 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:27,990 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:27,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:27,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:27,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,017 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,020 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,021 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:09:28,119 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:09:28,149 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_2fd18a64-0010-4ab1-86fa-bfc216c858fc/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4492,4505] [2021-11-23 02:09:28,150 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_2fd18a64-0010-4ab1-86fa-bfc216c858fc/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i[4552,4565] [2021-11-23 02:09:28,205 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,205 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,207 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,212 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,212 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,213 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,216 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,244 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:09:28,245 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:09:28,246 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:09:28,246 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:09:28,247 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:09:28,247 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:09:28,248 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:09:28,248 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:09:28,249 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:09:28,249 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:09:28,268 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:09:28,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,364 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,372 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,373 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,376 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,377 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,391 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:09:28,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:09:28,874 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:09:28,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28 WrapperNode [2021-11-23 02:09:28,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:09:28,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:09:28,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:09:28,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:09:28,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,130 INFO L137 Inliner]: procedures = 774, calls = 2452, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 641 [2021-11-23 02:09:29,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:09:29,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:09:29,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:09:29,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:09:29,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:09:29,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:09:29,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:09:29,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:09:29,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (1/1) ... [2021-11-23 02:09:29,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:09:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:09:29,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:09:29,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:09:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 02:09:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:09:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 02:09:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 02:09:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:09:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:09:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-23 02:09:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-23 02:09:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:09:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:09:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_next [2021-11-23 02:09:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_next [2021-11-23 02:09:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:09:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:09:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:09:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 02:09:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 02:09:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-23 02:09:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-23 02:09:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:09:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-23 02:09:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-23 02:09:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:09:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 02:09:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 02:09:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:09:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-23 02:09:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-23 02:09:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:09:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-23 02:09:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-23 02:09:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-11-23 02:09:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-11-23 02:09:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:09:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:09:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-11-23 02:09:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-11-23 02:09:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-23 02:09:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-23 02:09:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:09:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-23 02:09:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-23 02:09:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-23 02:09:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-23 02:09:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:09:29,677 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:09:29,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:09:30,961 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:09:31,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:09:31,207 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:09:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:31 BoogieIcfgContainer [2021-11-23 02:09:31,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:09:31,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:09:31,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:09:31,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:09:31,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:09:25" (1/3) ... [2021-11-23 02:09:31,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52dc1a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:09:31, skipping insertion in model container [2021-11-23 02:09:31,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:28" (2/3) ... [2021-11-23 02:09:31,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52dc1a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:09:31, skipping insertion in model container [2021-11-23 02:09:31,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:31" (3/3) ... [2021-11-23 02:09:31,218 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_next_harness.i [2021-11-23 02:09:31,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:09:31,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:09:31,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:09:31,302 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 [2021-11-23 02:09:31,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:09:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-23 02:09:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 02:09:31,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:31,344 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:31,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:09:31,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:31,351 INFO L85 PathProgramCache]: Analyzing trace with hash -256281460, now seen corresponding path program 1 times [2021-11-23 02:09:31,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:31,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181820224] [2021-11-23 02:09:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:31,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:31,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:09:31,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444970245] [2021-11-23 02:09:31,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:31,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:09:31,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:09:31,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:09:31,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:09:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:32,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:09:32,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:09:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 02:09:32,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:09:32,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:32,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181820224] [2021-11-23 02:09:32,815 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:09:32,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444970245] [2021-11-23 02:09:32,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444970245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:32,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:32,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:09:32,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570221586] [2021-11-23 02:09:32,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:32,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:09:32,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:32,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:09:32,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:09:32,890 INFO L87 Difference]: Start difference. First operand has 129 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-23 02:09:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:33,477 INFO L93 Difference]: Finished difference Result 237 states and 316 transitions. [2021-11-23 02:09:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:09:33,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 117 [2021-11-23 02:09:33,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:33,491 INFO L225 Difference]: With dead ends: 237 [2021-11-23 02:09:33,491 INFO L226 Difference]: Without dead ends: 129 [2021-11-23 02:09:33,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:09:33,499 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 118 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:33,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 448 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:09:33,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-23 02:09:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-23 02:09:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 68 states have (on average 1.161764705882353) internal successors, (79), 70 states have internal predecessors, (79), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (45), 42 states have call predecessors, (45), 42 states have call successors, (45) [2021-11-23 02:09:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 167 transitions. [2021-11-23 02:09:33,554 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 167 transitions. Word has length 117 [2021-11-23 02:09:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:33,555 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 167 transitions. [2021-11-23 02:09:33,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-23 02:09:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 167 transitions. [2021-11-23 02:09:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 02:09:33,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:33,560 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:33,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:09:33,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:09:33,781 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:09:33,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:33,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1181171274, now seen corresponding path program 1 times [2021-11-23 02:09:33,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:33,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895040676] [2021-11-23 02:09:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:33,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:33,859 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:09:33,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689830575] [2021-11-23 02:09:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:33,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:09:33,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:09:33,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:09:33,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:09:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:34,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 2399 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:09:34,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:09:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 02:09:34,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:09:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-23 02:09:35,120 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:35,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895040676] [2021-11-23 02:09:35,120 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:09:35,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689830575] [2021-11-23 02:09:35,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689830575] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:09:35,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1549659844] [2021-11-23 02:09:35,169 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2021-11-23 02:09:35,169 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:09:35,174 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:09:35,179 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:09:35,180 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:09:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:38,920 INFO L244 Elim1Store]: Index analysis took 489 ms [2021-11-23 02:09:56,340 WARN L227 SmtUtils]: Spent 17.31s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:09:56,348 INFO L354 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2021-11-23 02:09:56,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2021-11-23 02:09:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:59,699 INFO L244 Elim1Store]: Index analysis took 848 ms [2021-11-23 02:10:30,003 WARN L227 SmtUtils]: Spent 30.24s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:10:30,008 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-23 02:10:30,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-23 02:10:32,347 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:10:32,466 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:10:32,631 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:10:33,367 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 [2021-11-23 02:10:33,386 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 [2021-11-23 02:10:33,491 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 [2021-11-23 02:10:33,498 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 [2021-11-23 02:10:33,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 25 treesize of output 22 [2021-11-23 02:10:33,539 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 19 treesize of output 18 [2021-11-23 02:10:33,598 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 [2021-11-23 02:10:33,605 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 [2021-11-23 02:10:33,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 02:10:33,631 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 [2021-11-23 02:10:33,676 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 [2021-11-23 02:10:33,682 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 [2021-11-23 02:10:33,717 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 [2021-11-23 02:10:33,724 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 [2021-11-23 02:10:34,029 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:10:34,167 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:10:34,277 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 57 for LOIs [2021-11-23 02:10:34,287 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_power_of_two with input of size 76 for LOIs [2021-11-23 02:10:34,317 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 119 for LOIs [2021-11-23 02:10:34,436 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 02:10:34,436 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 35 treesize of output 37 [2021-11-23 02:10:34,474 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:10:34,474 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 34 treesize of output 38 [2021-11-23 02:10:34,644 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 02:10:34,647 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 35 treesize of output 37 [2021-11-23 02:10:34,678 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:10:34,678 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 34 treesize of output 38 [2021-11-23 02:10:34,938 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 02:10:34,939 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 35 treesize of output 37 [2021-11-23 02:10:34,971 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:10:34,972 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 34 treesize of output 38 [2021-11-23 02:10:34,985 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 134 for LOIs [2021-11-23 02:10:35,632 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 118 for LOIs [2021-11-23 02:10:35,695 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2021-11-23 02:10:35,746 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:10:44,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1549659844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:10:44,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:10:44,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [8, 8] total 33 [2021-11-23 02:10:44,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354866662] [2021-11-23 02:10:44,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:10:44,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-23 02:10:44,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:10:44,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-23 02:10:44,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 02:10:44,451 INFO L87 Difference]: Start difference. First operand 129 states and 167 transitions. Second operand has 22 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 7 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2021-11-23 02:10:44,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:10:44,668 INFO L93 Difference]: Finished difference Result 264 states and 339 transitions. [2021-11-23 02:10:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 02:10:44,669 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 7 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 118 [2021-11-23 02:10:44,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:10:44,672 INFO L225 Difference]: With dead ends: 264 [2021-11-23 02:10:44,672 INFO L226 Difference]: Without dead ends: 145 [2021-11-23 02:10:44,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 02:10:44,676 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 2 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 751 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:10:44,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1026 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 751 Unchecked, 0.2s Time] [2021-11-23 02:10:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-23 02:10:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2021-11-23 02:10:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 77 states have (on average 1.155844155844156) internal successors, (89), 78 states have internal predecessors, (89), 45 states have call successors, (45), 21 states have call predecessors, (45), 21 states have return successors, (48), 44 states have call predecessors, (48), 44 states have call successors, (48) [2021-11-23 02:10:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 182 transitions. [2021-11-23 02:10:44,732 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 182 transitions. Word has length 118 [2021-11-23 02:10:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:10:44,734 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 182 transitions. [2021-11-23 02:10:44,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 7 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2021-11-23 02:10:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 182 transitions. [2021-11-23 02:10:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 02:10:44,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:10:44,746 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:10:44,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:10:44,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:10:44,973 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:10:44,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:10:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash 526693157, now seen corresponding path program 1 times [2021-11-23 02:10:44,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:10:44,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827475162] [2021-11-23 02:10:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:10:44,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:10:45,066 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:10:45,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993883539] [2021-11-23 02:10:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:10:45,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:10:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:10:45,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:10:45,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd18a64-0010-4ab1-86fa-bfc216c858fc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:10:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:10:45,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:10:45,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:10:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 02:10:45,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:10:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-23 02:10:46,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:10:46,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827475162] [2021-11-23 02:10:46,158 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:10:46,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993883539] [2021-11-23 02:10:46,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993883539] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:10:46,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [760164858] [2021-11-23 02:10:46,163 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2021-11-23 02:10:46,163 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:10:46,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:10:46,164 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:10:46,164 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:10:48,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:10:48,988 INFO L244 Elim1Store]: Index analysis took 272 ms [2021-11-23 02:11:24,372 WARN L227 SmtUtils]: Spent 35.33s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:11:24,376 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-23 02:11:24,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-23 02:11:26,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:26,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19504 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 992 treesize of output 1582 [2021-11-23 02:13:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:20,358 INFO L244 Elim1Store]: Index analysis took 484 ms [2021-11-23 02:13:42,225 WARN L227 SmtUtils]: Spent 21.83s on a formula simplification. DAG size of input: 1776 DAG size of output: 1183 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:13:42,228 INFO L354 Elim1Store]: treesize reduction 1974, result has 47.3 percent of original size [2021-11-23 02:13:42,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 197 case distinctions, treesize of input 997 treesize of output 2374 [2021-11-23 02:13:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:47,591 INFO L244 Elim1Store]: Index analysis took 1222 ms [2021-11-23 02:14:25,495 WARN L227 SmtUtils]: Spent 37.86s on a formula simplification. DAG size of input: 2172 DAG size of output: 1185 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:14:25,498 INFO L354 Elim1Store]: treesize reduction 3546, result has 33.3 percent of original size [2021-11-23 02:14:25,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19703 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 394 case distinctions, treesize of input 1007 treesize of output 2389 [2021-11-23 02:14:28,074 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:14:28,192 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:14:28,311 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 [2021-11-23 02:14:28,316 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 [2021-11-23 02:14:28,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 25 treesize of output 22 [2021-11-23 02:14:28,361 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 19 treesize of output 18 [2021-11-23 02:14:28,409 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 [2021-11-23 02:14:28,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 02:14:28,434 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 [2021-11-23 02:14:28,450 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 [2021-11-23 02:14:28,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 02:14:28,634 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 [2021-11-23 02:14:28,684 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 [2021-11-23 02:14:28,694 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 [2021-11-23 02:14:28,709 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 [2021-11-23 02:14:28,785 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:14:29,198 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:14:29,339 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-23 02:14:52,257 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 2815 for LOIs [2021-11-23 02:14:57,095 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_power_of_two with input of size 2834 for LOIs [2021-11-23 02:15:01,972 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 82 for LOIs [2021-11-23 02:15:02,041 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 [2021-11-23 02:15:02,056 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 [2021-11-23 02:15:02,200 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 [2021-11-23 02:15:02,221 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 [2021-11-23 02:15:02,417 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 10 treesize of output 9 [2021-11-23 02:15:02,518 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 [2021-11-23 02:15:02,534 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 [2021-11-23 02:15:02,540 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 92 for LOIs [2021-11-23 02:15:02,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 19 [2021-11-23 02:15:02,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 14 [2021-11-23 02:15:03,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 19 [2021-11-23 02:15:03,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 14 [2021-11-23 02:15:03,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2021-11-23 02:15:03,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 14 [2021-11-23 02:15:03,777 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 78 for LOIs [2021-11-23 02:15:03,820 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 75 for LOIs [2021-11-23 02:15:03,847 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 54 for LOIs [2021-11-23 02:15:03,855 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:16:50,632 WARN L227 SmtUtils]: Spent 1.77m on a formula simplification. DAG size of input: 2827 DAG size of output: 2433 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:17:26,983 WARN L227 SmtUtils]: Spent 35.48s on a formula simplification that was a NOOP. DAG size: 2815 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:19:15,536 WARN L227 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 2855 DAG size of output: 2448 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:20:45,565 WARN L227 SmtUtils]: Spent 1.47m on a formula simplification. DAG size of input: 2834 DAG size of output: 2829 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)