./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS --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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:38:35,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:38:35,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:38:35,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:38:35,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:38:35,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:38:35,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:38:35,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:38:35,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:38:35,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:38:35,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:38:35,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:38:35,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:38:35,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:38:35,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:38:35,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:38:35,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:38:35,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:38:35,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:38:35,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:38:35,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:38:35,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:38:35,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:38:35,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:38:35,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:38:35,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:38:35,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:38:35,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:38:35,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:38:35,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:38:35,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:38:35,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:38:35,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:38:35,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:38:35,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:38:35,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:38:35,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:38:35,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:38:35,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:38:35,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:38:35,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:38:35,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:38:35,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:38:35,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:38:35,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:38:35,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:38:35,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:38:35,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:38:35,770 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:38:35,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:38:35,770 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:38:35,770 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:38:35,771 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:38:35,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:38:35,772 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:38:35,772 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:38:35,772 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:38:35,773 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:38:35,773 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:38:35,773 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:38:35,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:38:35,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:38:35,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:38:35,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:38:35,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:38:35,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:38:35,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:38:35,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:38:35,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:38:35,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:38:35,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:38:35,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:38:35,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:38:35,778 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:38:35,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:38:35,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:38:35,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:38:35,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:38:35,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:38:35,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:38:35,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2022-11-19 06:38:36,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:38:36,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:38:36,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:38:36,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:38:36,111 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:38:36,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-11-19 06:38:36,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/data/f1a9b2393/710f2ac516404cbfb425f902e4e5eb3c/FLAGaf5898f0b [2022-11-19 06:38:37,011 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:38:37,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-11-19 06:38:37,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/data/f1a9b2393/710f2ac516404cbfb425f902e4e5eb3c/FLAGaf5898f0b [2022-11-19 06:38:37,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/data/f1a9b2393/710f2ac516404cbfb425f902e4e5eb3c [2022-11-19 06:38:37,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:38:37,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:38:37,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:38:37,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:38:37,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:38:37,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c26053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37, skipping insertion in model container [2022-11-19 06:38:37,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:38:37,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:38:37,589 WARN L234 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_5552622c-a0cf-48f6-a9bd-06956d5e13f9/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-11-19 06:38:37,597 WARN L234 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_5552622c-a0cf-48f6-a9bd-06956d5e13f9/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-11-19 06:38:38,387 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 06:38:38,454 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,459 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,460 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,461 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,466 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,484 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,485 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,491 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,492 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,496 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,499 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,501 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,511 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:38,865 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 06:38:38,866 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 06:38:38,868 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 06:38:38,869 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 06:38:38,870 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 06:38:38,871 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 06:38:38,872 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 06:38:38,873 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 06:38:38,874 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 06:38:38,874 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 06:38:39,066 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,083 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:38:39,207 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:38:39,238 WARN L234 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_5552622c-a0cf-48f6-a9bd-06956d5e13f9/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-11-19 06:38:39,238 WARN L234 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_5552622c-a0cf-48f6-a9bd-06956d5e13f9/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-11-19 06:38:39,300 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 06:38:39,326 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,326 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,327 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,327 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,328 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,338 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,343 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,344 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,345 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,346 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,346 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,352 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,353 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 06:38:39,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 06:38:39,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 06:38:39,392 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 06:38:39,393 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 06:38:39,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 06:38:39,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 06:38:39,395 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 06:38:39,395 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 06:38:39,396 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 06:38:39,421 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,425 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:38:39,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:38:39,658 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:38:39,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39 WrapperNode [2022-11-19 06:38:39,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:38:39,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:38:39,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:38:39,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:38:39,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,854 INFO L138 Inliner]: procedures = 690, calls = 1686, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 615 [2022-11-19 06:38:39,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:38:39,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:38:39,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:38:39,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:38:39,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:38:39,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:38:39,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:38:39,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:38:39,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (1/1) ... [2022-11-19 06:38:39,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:38:40,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:40,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:38:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:38:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:38:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-19 06:38:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-19 06:38:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 06:38:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 06:38:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 06:38:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 06:38:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:38:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 06:38:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 06:38:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:38:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:38:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:38:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:38:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:38:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:38:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:38:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 06:38:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 06:38:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-19 06:38:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-19 06:38:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 06:38:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 06:38:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:38:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:38:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:38:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:38:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:38:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 06:38:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 06:38:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 06:38:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 06:38:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:38:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-19 06:38:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-19 06:38:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:38:40,429 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:38:40,434 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:38:41,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:38:41,680 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:38:41,680 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:38:41,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:41 BoogieIcfgContainer [2022-11-19 06:38:41,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:38:41,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:38:41,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:38:41,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:38:41,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:38:37" (1/3) ... [2022-11-19 06:38:41,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e84659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:38:41, skipping insertion in model container [2022-11-19 06:38:41,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:39" (2/3) ... [2022-11-19 06:38:41,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e84659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:38:41, skipping insertion in model container [2022-11-19 06:38:41,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:41" (3/3) ... [2022-11-19 06:38:41,691 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2022-11-19 06:38:41,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:38:41,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:38:41,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:38:41,766 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50f266eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:38:41,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:38:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-19 06:38:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 06:38:41,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:41,781 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-11-19 06:38:41,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:41,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1826594986, now seen corresponding path program 1 times [2022-11-19 06:38:41,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:41,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310000212] [2022-11-19 06:38:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:41,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:42,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:42,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310000212] [2022-11-19 06:38:42,273 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 06:38:42,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526550463] [2022-11-19 06:38:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:42,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:42,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:42,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:38:42,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:38:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:42,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:38:42,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:38:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-19 06:38:43,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:38:43,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526550463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:43,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:43,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:38:43,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930865137] [2022-11-19 06:38:43,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:43,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:38:43,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:43,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:38:43,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:38:43,066 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-19 06:38:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:43,436 INFO L93 Difference]: Finished difference Result 169 states and 229 transitions. [2022-11-19 06:38:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:38:43,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 58 [2022-11-19 06:38:43,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:43,448 INFO L225 Difference]: With dead ends: 169 [2022-11-19 06:38:43,448 INFO L226 Difference]: Without dead ends: 99 [2022-11-19 06:38:43,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:43,455 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 26 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:43,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 347 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:38:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-19 06:38:43,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-19 06:38:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 56 states have internal predecessors, (63), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2022-11-19 06:38:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2022-11-19 06:38:43,504 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 58 [2022-11-19 06:38:43,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:43,505 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2022-11-19 06:38:43,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-19 06:38:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2022-11-19 06:38:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 06:38:43,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:43,508 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1] [2022-11-19 06:38:43,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:38:43,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 06:38:43,717 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:43,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:43,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1965393254, now seen corresponding path program 1 times [2022-11-19 06:38:43,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:43,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281203630] [2022-11-19 06:38:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:43,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:43,831 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:38:43,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953769361] [2022-11-19 06:38:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:43,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:43,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:38:43,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:38:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:44,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 2173 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:38:44,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:38:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-19 06:38:44,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:38:44,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:44,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281203630] [2022-11-19 06:38:44,446 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:38:44,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953769361] [2022-11-19 06:38:44,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953769361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:44,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:44,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:38:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872616125] [2022-11-19 06:38:44,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:44,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:38:44,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:44,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:38:44,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:44,450 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-19 06:38:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:45,165 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2022-11-19 06:38:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:38:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 67 [2022-11-19 06:38:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:45,173 INFO L225 Difference]: With dead ends: 156 [2022-11-19 06:38:45,173 INFO L226 Difference]: Without dead ends: 97 [2022-11-19 06:38:45,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:38:45,183 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 37 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:45,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 410 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:38:45,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-19 06:38:45,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-19 06:38:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 53 states have (on average 1.150943396226415) internal successors, (61), 54 states have internal predecessors, (61), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-19 06:38:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2022-11-19 06:38:45,206 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 67 [2022-11-19 06:38:45,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:45,207 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-11-19 06:38:45,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-19 06:38:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2022-11-19 06:38:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-19 06:38:45,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:45,210 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 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] [2022-11-19 06:38:45,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:38:45,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:45,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:45,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:45,420 INFO L85 PathProgramCache]: Analyzing trace with hash 97009324, now seen corresponding path program 1 times [2022-11-19 06:38:45,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:45,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66087692] [2022-11-19 06:38:45,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:45,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:45,570 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:38:45,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [586795629] [2022-11-19 06:38:45,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:45,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:45,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:45,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:38:45,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5552622c-a0cf-48f6-a9bd-06956d5e13f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:38:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:46,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 288 conjunts are in the unsatisfiable core [2022-11-19 06:38:46,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:38:46,413 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:38:47,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 36 [2022-11-19 06:38:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:47,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 20 [2022-11-19 06:38:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:47,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 20 [2022-11-19 06:38:48,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:48,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 184 [2022-11-19 06:39:21,797 WARN L233 SmtUtils]: Spent 32.88s on a formula simplification. DAG size of input: 23 DAG size of output: 15 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:39:21,799 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:39:21,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 131 [2022-11-19 06:39:55,946 WARN L233 SmtUtils]: Spent 34.10s on a formula simplification. DAG size of input: 23 DAG size of output: 15 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:39:55,946 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:39:55,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 125 [2022-11-19 06:40:26,827 WARN L233 SmtUtils]: Spent 30.84s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:40:26,828 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:26,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 100 [2022-11-19 06:42:52,910 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:43:08,975 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:43:11,099 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 06:43:11,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 67 treesize of output 47 [2022-11-19 06:43:17,158 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 17 [2022-11-19 06:43:45,634 WARN L233 SmtUtils]: Spent 16.03s on a formula simplification. DAG size of input: 16 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:43:45,634 INFO L321 Elim1Store]: treesize reduction 27, result has 10.0 percent of original size [2022-11-19 06:43:45,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 112 treesize of output 84 [2022-11-19 06:43:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:45,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 47 [2022-11-19 06:44:14,365 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_prenex_3 |v_aws_array_list_is_valid_~#required_size~0.base_17|) [2022-11-19 06:44:16,366 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= v_prenex_3 |v_aws_array_list_is_valid_~#required_size~0.base_17|) [2022-11-19 06:44:16,367 INFO L217 Elim1Store]: Index analysis took 4004 ms [2022-11-19 06:44:16,372 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 06:44:16,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 49 treesize of output 37 [2022-11-19 06:44:51,046 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base| v_prenex_3) [2022-11-19 06:44:53,048 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base| v_prenex_3) [2022-11-19 06:44:55,050 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#memory_$Pointer$.base| v_prenex_3) (select |#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_17|)) [2022-11-19 06:44:57,053 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#memory_$Pointer$.base| v_prenex_3) (select |#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_17|)) [2022-11-19 06:44:57,053 INFO L217 Elim1Store]: Index analysis took 8010 ms [2022-11-19 06:44:59,055 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#memory_$Pointer$.base| v_prenex_3) (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|)) [2022-11-19 06:45:01,057 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#memory_$Pointer$.base| v_prenex_3) (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|)) [2022-11-19 06:45:03,059 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_17|) (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|)) [2022-11-19 06:45:05,062 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_17|) (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|)) [2022-11-19 06:45:05,068 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-19 06:45:05,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 49 treesize of output 31 [2022-11-19 06:47:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:50,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:50,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2022-11-19 06:48:02,760 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base| v_prenex_3) [2022-11-19 06:48:04,762 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base| v_prenex_3) [2022-11-19 06:48:04,763 INFO L217 Elim1Store]: Index analysis took 4003 ms [2022-11-19 06:48:08,770 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-19 06:48:08,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2022-11-19 06:48:22,963 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_prenex_3 |v_aws_array_list_is_valid_~#required_size~0.base_17|) [2022-11-19 06:48:24,965 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= v_prenex_3 |v_aws_array_list_is_valid_~#required_size~0.base_17|) [2022-11-19 06:48:24,965 INFO L217 Elim1Store]: Index analysis took 4003 ms [2022-11-19 06:48:24,969 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 06:48:24,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2022-11-19 06:48:41,415 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|) (select |#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_17|)) [2022-11-19 06:48:43,418 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|) (select |#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_17|)) [2022-11-19 06:48:43,419 INFO L217 Elim1Store]: Index analysis took 4006 ms [2022-11-19 06:48:43,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-19 06:49:50,585 WARN L233 SmtUtils]: Spent 56.27s on a formula simplification. DAG size of input: 114 DAG size of output: 61 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:52:11,369 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|))) (let ((.cse12 (+ 32 |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.offset|)) (.cse11 (mod (select .cse9 (+ |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.offset| 8)) 18446744073709551616)) (.cse8 (select .cse9 (+ 16 |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.offset|)))) (and (or (exists ((|v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_17| Int)) (let ((.cse3 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15|))) (let ((.cse2 (mod (select .cse3 8) 18446744073709551616)) (.cse0 (select .cse3 16)) (.cse1 (select (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0))) (and (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15|) 32) 0) (= (mod .cse0 18446744073709551616) 0) (not (<= (mod .cse1 18446744073709551616) .cse2)) (= .cse2 0) (not (= |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15| |v_aws_array_list_is_valid_~#required_size~0.base_17|)) (= (* .cse0 (select .cse3 24)) .cse1) (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15|) 32) 0))))) (exists ((|v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15| Int) (v_prenex_3 Int)) (let ((.cse7 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15|))) (let ((.cse4 (select .cse7 16)) (.cse5 (select (select |c_#memory_int| v_prenex_3) 0)) (.cse6 (mod (select .cse7 8) 18446744073709551616))) (and (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15|) 32) 0) (= (mod .cse4 18446744073709551616) 0) (<= (mod .cse5 18446744073709551616) .cse6) (= (* .cse4 (select .cse7 24)) .cse5) (= .cse6 0) (not (= |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15| v_prenex_3)) (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base_BEFORE_CALL_15|) 32) 0)))))) (exists ((v_prenex_3 Int)) (let ((.cse10 (select (select |c_#memory_int| v_prenex_3) 0))) (and (not (= |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base| v_prenex_3)) (= (* .cse8 (select .cse9 (+ |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.offset| 24))) .cse10) (<= (mod .cse10 18446744073709551616) .cse11)))) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|) .cse12) 0) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.base|) .cse12) 0) (= .cse11 0) (= |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0#1.offset| 0) (= (mod .cse8 18446744073709551616) 0)))) is different from false [2022-11-19 06:53:29,827 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 70 DAG size of output: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)